Home / 88,356.48-121,930.12-48,071.20

Finding the Fourth Proportional to 88,356.48, 121,930.12 and 48,071.20

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Solution

The fourth proportional to 88,356.48, 121,930.12 and 48,071.20 is: 66,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,356.48 : 121,930.12 = 48,071.20 : x
  2. Step 2: Convert to fraction form
    88,356.48/121,930.12 = 48,071.20/x
  3. Step 3: Cross multiply
    88,356.48x = 121,930.12 × 48,071.20
  4. Step 4: Simplify right side
    88,356.48x = 5,861,327,184.54
  5. Step 5: Solve for x
    x = 5,861,327,184.54/88,356.48
  6. Step 6: Final answer
    x = 66,337.26

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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.