Home / 88,666.79-122,359.14-48,380.94

Finding the Fourth Proportional to 88,666.79, 122,359.14 and 48,380.94

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Solution

The fourth proportional to 88,666.79, 122,359.14 and 48,380.94 is: 66,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.79 : 122,359.14 = 48,380.94 : x
  2. Step 2: Convert to fraction form
    88,666.79/122,359.14 = 48,380.94/x
  3. Step 3: Cross multiply
    88,666.79x = 122,359.14 × 48,380.94
  4. Step 4: Simplify right side
    88,666.79x = 5,919,850,210.79
  5. Step 5: Solve for x
    x = 5,919,850,210.79/88,666.79
  6. Step 6: Final answer
    x = 66,765.14

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1.5x scale

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.