Home / 56,951.13-78,592.28-31,459.29

Finding the Fourth Proportional to 56,951.13, 78,592.28 and 31,459.29

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Solution

The fourth proportional to 56,951.13, 78,592.28 and 31,459.29 is: 43,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.13 : 78,592.28 = 31,459.29 : x
  2. Step 2: Convert to fraction form
    56,951.13/78,592.28 = 31,459.29/x
  3. Step 3: Cross multiply
    56,951.13x = 78,592.28 × 31,459.29
  4. Step 4: Simplify right side
    56,951.13x = 2,472,456,876.26
  5. Step 5: Solve for x
    x = 2,472,456,876.26/56,951.13
  6. Step 6: Final answer
    x = 43,413.66

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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.