Home / 88,989.31-122,802.51-48,702.21

Finding the Fourth Proportional to 88,989.31, 122,802.51 and 48,702.21

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Solution

The fourth proportional to 88,989.31, 122,802.51 and 48,702.21 is: 67,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,989.31 : 122,802.51 = 48,702.21 : x
  2. Step 2: Convert to fraction form
    88,989.31/122,802.51 = 48,702.21/x
  3. Step 3: Cross multiply
    88,989.31x = 122,802.51 × 48,702.21
  4. Step 4: Simplify right side
    88,989.31x = 5,980,753,016.53
  5. Step 5: Solve for x
    x = 5,980,753,016.53/88,989.31
  6. Step 6: Final answer
    x = 67,207.54

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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.