Home / 88,565.72-132,261.53-77,834.84

Finding the Fourth Proportional to 88,565.72, 132,261.53 and 77,834.84

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Solution

The fourth proportional to 88,565.72, 132,261.53 and 77,834.84 is: 116,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.72 : 132,261.53 = 77,834.84 : x
  2. Step 2: Convert to fraction form
    88,565.72/132,261.53 = 77,834.84/x
  3. Step 3: Cross multiply
    88,565.72x = 132,261.53 × 77,834.84
  4. Step 4: Simplify right side
    88,565.72x = 10,294,553,975.22
  5. Step 5: Solve for x
    x = 10,294,553,975.22/88,565.72
  6. Step 6: Final answer
    x = 116,236.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.