Home / 87,633.59-131,253.35-61,455.20

Finding the Fourth Proportional to 87,633.59, 131,253.35 and 61,455.20

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Solution

The fourth proportional to 87,633.59, 131,253.35 and 61,455.20 is: 92,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,633.59 : 131,253.35 = 61,455.20 : x
  2. Step 2: Convert to fraction form
    87,633.59/131,253.35 = 61,455.20/x
  3. Step 3: Cross multiply
    87,633.59x = 131,253.35 × 61,455.20
  4. Step 4: Simplify right side
    87,633.59x = 8,066,199,911.38
  5. Step 5: Solve for x
    x = 8,066,199,911.38/87,633.59
  6. Step 6: Final answer
    x = 92,044.62

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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.