Home / 86,688.24-130,023.05-58,787.39

Finding the Fourth Proportional to 86,688.24, 130,023.05 and 58,787.39

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Solution

The fourth proportional to 86,688.24, 130,023.05 and 58,787.39 is: 88,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,688.24 : 130,023.05 = 58,787.39 : x
  2. Step 2: Convert to fraction form
    86,688.24/130,023.05 = 58,787.39/x
  3. Step 3: Cross multiply
    86,688.24x = 130,023.05 × 58,787.39
  4. Step 4: Simplify right side
    86,688.24x = 7,643,714,805.29
  5. Step 5: Solve for x
    x = 7,643,714,805.29/86,688.24
  6. Step 6: Final answer
    x = 88,174.76

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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.