Home / 112,523.45-168,868.13-53,359.29

Finding the Fourth Proportional to 112,523.45, 168,868.13 and 53,359.29

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Solution

The fourth proportional to 112,523.45, 168,868.13 and 53,359.29 is: 80,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523.45 : 168,868.13 = 53,359.29 : x
  2. Step 2: Convert to fraction form
    112,523.45/168,868.13 = 53,359.29/x
  3. Step 3: Cross multiply
    112,523.45x = 168,868.13 × 53,359.29
  4. Step 4: Simplify right side
    112,523.45x = 9,010,683,253.63
  5. Step 5: Solve for x
    x = 9,010,683,253.63/112,523.45
  6. Step 6: Final answer
    x = 80,078.27

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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.