Home / 87,257.07-130,714.29-57,584.34

Finding the Fourth Proportional to 87,257.07, 130,714.29 and 57,584.34

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Solution

The fourth proportional to 87,257.07, 130,714.29 and 57,584.34 is: 86,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,257.07 : 130,714.29 = 57,584.34 : x
  2. Step 2: Convert to fraction form
    87,257.07/130,714.29 = 57,584.34/x
  3. Step 3: Cross multiply
    87,257.07x = 130,714.29 × 57,584.34
  4. Step 4: Simplify right side
    87,257.07x = 7,527,096,118.22
  5. Step 5: Solve for x
    x = 7,527,096,118.22/87,257.07
  6. Step 6: Final answer
    x = 86,263.45

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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.