Home / 88,646.92-122,342.16-54,211.78

Finding the Fourth Proportional to 88,646.92, 122,342.16 and 54,211.78

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Solution

The fourth proportional to 88,646.92, 122,342.16 and 54,211.78 is: 74,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.92 : 122,342.16 = 54,211.78 : x
  2. Step 2: Convert to fraction form
    88,646.92/122,342.16 = 54,211.78/x
  3. Step 3: Cross multiply
    88,646.92x = 122,342.16 × 54,211.78
  4. Step 4: Simplify right side
    88,646.92x = 6,632,386,262.64
  5. Step 5: Solve for x
    x = 6,632,386,262.64/88,646.92
  6. Step 6: Final answer
    x = 74,818.01

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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.