Home / 113,611.18-156,776.29-62,621.10

Finding the Fourth Proportional to 113,611.18, 156,776.29 and 62,621.10

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Solution

The fourth proportional to 113,611.18, 156,776.29 and 62,621.10 is: 86,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,611.18 : 156,776.29 = 62,621.10 : x
  2. Step 2: Convert to fraction form
    113,611.18/156,776.29 = 62,621.10/x
  3. Step 3: Cross multiply
    113,611.18x = 156,776.29 × 62,621.10
  4. Step 4: Simplify right side
    113,611.18x = 9,817,503,733.72
  5. Step 5: Solve for x
    x = 9,817,503,733.72/113,611.18
  6. Step 6: Final answer
    x = 86,413.18

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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.