Home / 88,132.50-121,622.85-48,388.50

Finding the Fourth Proportional to 88,132.50, 121,622.85 and 48,388.50

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Solution

The fourth proportional to 88,132.50, 121,622.85 and 48,388.50 is: 66,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,132.50 : 121,622.85 = 48,388.50 : x
  2. Step 2: Convert to fraction form
    88,132.50/121,622.85 = 48,388.50/x
  3. Step 3: Cross multiply
    88,132.50x = 121,622.85 × 48,388.50
  4. Step 4: Simplify right side
    88,132.50x = 5,885,147,277.23
  5. Step 5: Solve for x
    x = 5,885,147,277.23/88,132.50
  6. Step 6: Final answer
    x = 66,776.13

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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.