Home / 112,021.04-168,031.56-33,129.12

Finding the Fourth Proportional to 112,021.04, 168,031.56 and 33,129.12

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Solution

The fourth proportional to 112,021.04, 168,031.56 and 33,129.12 is: 49,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.04 : 168,031.56 = 33,129.12 : x
  2. Step 2: Convert to fraction form
    112,021.04/168,031.56 = 33,129.12/x
  3. Step 3: Cross multiply
    112,021.04x = 168,031.56 × 33,129.12
  4. Step 4: Simplify right side
    112,021.04x = 5,566,737,549.38
  5. Step 5: Solve for x
    x = 5,566,737,549.38/112,021.04
  6. Step 6: Final answer
    x = 49,693.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.