Home / 88,678.68-122,337.96-58,425.18

Finding the Fourth Proportional to 88,678.68, 122,337.96 and 58,425.18

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Solution

The fourth proportional to 88,678.68, 122,337.96 and 58,425.18 is: 80,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.68 : 122,337.96 = 58,425.18 : x
  2. Step 2: Convert to fraction form
    88,678.68/122,337.96 = 58,425.18/x
  3. Step 3: Cross multiply
    88,678.68x = 122,337.96 × 58,425.18
  4. Step 4: Simplify right side
    88,678.68x = 7,147,617,333.83
  5. Step 5: Solve for x
    x = 7,147,617,333.83/88,678.68
  6. Step 6: Final answer
    x = 80,601.31

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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.