Home / 87,617.40-131,387.70-35,009.40

Finding the Fourth Proportional to 87,617.40, 131,387.70 and 35,009.40

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Solution

The fourth proportional to 87,617.40, 131,387.70 and 35,009.40 is: 52,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617.40 : 131,387.70 = 35,009.40 : x
  2. Step 2: Convert to fraction form
    87,617.40/131,387.70 = 35,009.40/x
  3. Step 3: Cross multiply
    87,617.40x = 131,387.70 × 35,009.40
  4. Step 4: Simplify right side
    87,617.40x = 4,599,804,544.38
  5. Step 5: Solve for x
    x = 4,599,804,544.38/87,617.40
  6. Step 6: Final answer
    x = 52,498.76

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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.