Home / 56,951.16-78,592.19-31,459.20

Finding the Fourth Proportional to 56,951.16, 78,592.19 and 31,459.20

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Solution

The fourth proportional to 56,951.16, 78,592.19 and 31,459.20 is: 43,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.16 : 78,592.19 = 31,459.20 : x
  2. Step 2: Convert to fraction form
    56,951.16/78,592.19 = 31,459.20/x
  3. Step 3: Cross multiply
    56,951.16x = 78,592.19 × 31,459.20
  4. Step 4: Simplify right side
    56,951.16x = 2,472,447,266.35
  5. Step 5: Solve for x
    x = 2,472,447,266.35/56,951.16
  6. Step 6: Final answer
    x = 43,413.47

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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.