Home / 61,126.61-84,354.66-34,269.12

Finding the Fourth Proportional to 61,126.61, 84,354.66 and 34,269.12

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Solution

The fourth proportional to 61,126.61, 84,354.66 and 34,269.12 is: 47,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,126.61 : 84,354.66 = 34,269.12 : x
  2. Step 2: Convert to fraction form
    61,126.61/84,354.66 = 34,269.12/x
  3. Step 3: Cross multiply
    61,126.61x = 84,354.66 × 34,269.12
  4. Step 4: Simplify right side
    61,126.61x = 2,890,759,966.10
  5. Step 5: Solve for x
    x = 2,890,759,966.10/61,126.61
  6. Step 6: Final answer
    x = 47,291.35

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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.