Home / 99,071.55-148,353.59-54,648.92

Finding the Fourth Proportional to 99,071.55, 148,353.59 and 54,648.92

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Solution

The fourth proportional to 99,071.55, 148,353.59 and 54,648.92 is: 81,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,071.55 : 148,353.59 = 54,648.92 : x
  2. Step 2: Convert to fraction form
    99,071.55/148,353.59 = 54,648.92/x
  3. Step 3: Cross multiply
    99,071.55x = 148,353.59 × 54,648.92
  4. Step 4: Simplify right side
    99,071.55x = 8,107,363,979.13
  5. Step 5: Solve for x
    x = 8,107,363,979.13/99,071.55
  6. Step 6: Final answer
    x = 81,833.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.