Home / 86,582.58-129,887.22-36,663

Finding the Fourth Proportional to 86,582.58, 129,887.22 and 36,663

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Solution

The fourth proportional to 86,582.58, 129,887.22 and 36,663 is: 55,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,582.58 : 129,887.22 = 36,663 : x
  2. Step 2: Convert to fraction form
    86,582.58/129,887.22 = 36,663/x
  3. Step 3: Cross multiply
    86,582.58x = 129,887.22 × 36,663
  4. Step 4: Simplify right side
    86,582.58x = 4,762,055,146.86
  5. Step 5: Solve for x
    x = 4,762,055,146.86/86,582.58
  6. Step 6: Final answer
    x = 55,000.15

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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.