Home / 86,184.52-129,179.22-43,946.08

Finding the Fourth Proportional to 86,184.52, 129,179.22 and 43,946.08

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Solution

The fourth proportional to 86,184.52, 129,179.22 and 43,946.08 is: 65,869.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,184.52 : 129,179.22 = 43,946.08 : x
  2. Step 2: Convert to fraction form
    86,184.52/129,179.22 = 43,946.08/x
  3. Step 3: Cross multiply
    86,184.52x = 129,179.22 × 43,946.08
  4. Step 4: Simplify right side
    86,184.52x = 5,676,920,336.46
  5. Step 5: Solve for x
    x = 5,676,920,336.46/86,184.52
  6. Step 6: Final answer
    x = 65,869.37

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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.