Home / 55,176.01-76,142.91-30,973.62

Finding the Fourth Proportional to 55,176.01, 76,142.91 and 30,973.62

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Solution

The fourth proportional to 55,176.01, 76,142.91 and 30,973.62 is: 42,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,176.01 : 76,142.91 = 30,973.62 : x
  2. Step 2: Convert to fraction form
    55,176.01/76,142.91 = 30,973.62/x
  3. Step 3: Cross multiply
    55,176.01x = 76,142.91 × 30,973.62
  4. Step 4: Simplify right side
    55,176.01x = 2,358,421,232.15
  5. Step 5: Solve for x
    x = 2,358,421,232.15/55,176.01
  6. Step 6: Final answer
    x = 42,743.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.