Home / 88,456.49-122,156.72-75,635.66

Finding the Fourth Proportional to 88,456.49, 122,156.72 and 75,635.66

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Solution

The fourth proportional to 88,456.49, 122,156.72 and 75,635.66 is: 104,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.49 : 122,156.72 = 75,635.66 : x
  2. Step 2: Convert to fraction form
    88,456.49/122,156.72 = 75,635.66/x
  3. Step 3: Cross multiply
    88,456.49x = 122,156.72 × 75,635.66
  4. Step 4: Simplify right side
    88,456.49x = 9,239,404,140.64
  5. Step 5: Solve for x
    x = 9,239,404,140.64/88,456.49
  6. Step 6: Final answer
    x = 104,451.40

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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.