Home / 61,126.86-84,355.01-34,269.38

Finding the Fourth Proportional to 61,126.86, 84,355.01 and 34,269.38

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Solution

The fourth proportional to 61,126.86, 84,355.01 and 34,269.38 is: 47,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,126.86 : 84,355.01 = 34,269.38 : x
  2. Step 2: Convert to fraction form
    61,126.86/84,355.01 = 34,269.38/x
  3. Step 3: Cross multiply
    61,126.86x = 84,355.01 × 34,269.38
  4. Step 4: Simplify right side
    61,126.86x = 2,890,793,299.47
  5. Step 5: Solve for x
    x = 2,890,793,299.47/61,126.86
  6. Step 6: Final answer
    x = 47,291.70

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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.