Home / 91,590.16-126,394.76-53,375.92

Finding the Fourth Proportional to 91,590.16, 126,394.76 and 53,375.92

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Solution

The fourth proportional to 91,590.16, 126,394.76 and 53,375.92 is: 73,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,590.16 : 126,394.76 = 53,375.92 : x
  2. Step 2: Convert to fraction form
    91,590.16/126,394.76 = 53,375.92/x
  3. Step 3: Cross multiply
    91,590.16x = 126,394.76 × 53,375.92
  4. Step 4: Simplify right side
    91,590.16x = 6,746,436,598.18
  5. Step 5: Solve for x
    x = 6,746,436,598.18/91,590.16
  6. Step 6: Final answer
    x = 73,658.97

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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.