Home / 113,082.91-156,057.13-61,402.19

Finding the Fourth Proportional to 113,082.91, 156,057.13 and 61,402.19

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Solution

The fourth proportional to 113,082.91, 156,057.13 and 61,402.19 is: 84,736.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,082.91 : 156,057.13 = 61,402.19 : x
  2. Step 2: Convert to fraction form
    113,082.91/156,057.13 = 61,402.19/x
  3. Step 3: Cross multiply
    113,082.91x = 156,057.13 × 61,402.19
  4. Step 4: Simplify right side
    113,082.91x = 9,582,249,407.02
  5. Step 5: Solve for x
    x = 9,582,249,407.02/113,082.91
  6. Step 6: Final answer
    x = 84,736.49

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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.