Home / 86,935.80-130,371.30-60,562.20

Finding the Fourth Proportional to 86,935.80, 130,371.30 and 60,562.20

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Solution

The fourth proportional to 86,935.80, 130,371.30 and 60,562.20 is: 90,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935.80 : 130,371.30 = 60,562.20 : x
  2. Step 2: Convert to fraction form
    86,935.80/130,371.30 = 60,562.20/x
  3. Step 3: Cross multiply
    86,935.80x = 130,371.30 × 60,562.20
  4. Step 4: Simplify right side
    86,935.80x = 7,895,572,744.86
  5. Step 5: Solve for x
    x = 7,895,572,744.86/86,935.80
  6. Step 6: Final answer
    x = 90,820.73

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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.