Home / 86,577.86-129,632.20-44,937.38

Finding the Fourth Proportional to 86,577.86, 129,632.20 and 44,937.38

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Solution

The fourth proportional to 86,577.86, 129,632.20 and 44,937.38 is: 67,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,577.86 : 129,632.20 = 44,937.38 : x
  2. Step 2: Convert to fraction form
    86,577.86/129,632.20 = 44,937.38/x
  3. Step 3: Cross multiply
    86,577.86x = 129,632.20 × 44,937.38
  4. Step 4: Simplify right side
    86,577.86x = 5,825,331,643.37
  5. Step 5: Solve for x
    x = 5,825,331,643.37/86,577.86
  6. Step 6: Final answer
    x = 67,284.31

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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.