Home / 113,396.90-156,487.85-62,413.31

Finding the Fourth Proportional to 113,396.90, 156,487.85 and 62,413.31

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Solution

The fourth proportional to 113,396.90, 156,487.85 and 62,413.31 is: 86,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,396.90 : 156,487.85 = 62,413.31 : x
  2. Step 2: Convert to fraction form
    113,396.90/156,487.85 = 62,413.31/x
  3. Step 3: Cross multiply
    113,396.90x = 156,487.85 × 62,413.31
  4. Step 4: Simplify right side
    113,396.90x = 9,766,923,598.78
  5. Step 5: Solve for x
    x = 9,766,923,598.78/113,396.90
  6. Step 6: Final answer
    x = 86,130.43

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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.