Home / 87,060.50-130,590.73-57,471.40

Finding the Fourth Proportional to 87,060.50, 130,590.73 and 57,471.40

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Solution

The fourth proportional to 87,060.50, 130,590.73 and 57,471.40 is: 86,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,060.50 : 130,590.73 = 57,471.40 : x
  2. Step 2: Convert to fraction form
    87,060.50/130,590.73 = 57,471.40/x
  3. Step 3: Cross multiply
    87,060.50x = 130,590.73 × 57,471.40
  4. Step 4: Simplify right side
    87,060.50x = 7,505,232,080.12
  5. Step 5: Solve for x
    x = 7,505,232,080.12/87,060.50
  6. Step 6: Final answer
    x = 86,207.09

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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.