Home / 61,175.28-84,428.28-34,325.04

Finding the Fourth Proportional to 61,175.28, 84,428.28 and 34,325.04

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Solution

The fourth proportional to 61,175.28, 84,428.28 and 34,325.04 is: 47,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175.28 : 84,428.28 = 34,325.04 : x
  2. Step 2: Convert to fraction form
    61,175.28/84,428.28 = 34,325.04/x
  3. Step 3: Cross multiply
    61,175.28x = 84,428.28 × 34,325.04
  4. Step 4: Simplify right side
    61,175.28x = 2,898,004,088.13
  5. Step 5: Solve for x
    x = 2,898,004,088.13/61,175.28
  6. Step 6: Final answer
    x = 47,372.14

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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.