Home / 87,864.60-131,796.90-58,315.80

Finding the Fourth Proportional to 87,864.60, 131,796.90 and 58,315.80

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Solution

The fourth proportional to 87,864.60, 131,796.90 and 58,315.80 is: 87,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,864.60 : 131,796.90 = 58,315.80 : x
  2. Step 2: Convert to fraction form
    87,864.60/131,796.90 = 58,315.80/x
  3. Step 3: Cross multiply
    87,864.60x = 131,796.90 × 58,315.80
  4. Step 4: Simplify right side
    87,864.60x = 7,685,841,661.02
  5. Step 5: Solve for x
    x = 7,685,841,661.02/87,864.60
  6. Step 6: Final answer
    x = 87,473.70

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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.