Home / 86,386.42-119,207.19-47,622.52

Finding the Fourth Proportional to 86,386.42, 119,207.19 and 47,622.52

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Solution

The fourth proportional to 86,386.42, 119,207.19 and 47,622.52 is: 65,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,386.42 : 119,207.19 = 47,622.52 : x
  2. Step 2: Convert to fraction form
    86,386.42/119,207.19 = 47,622.52/x
  3. Step 3: Cross multiply
    86,386.42x = 119,207.19 × 47,622.52
  4. Step 4: Simplify right side
    86,386.42x = 5,676,946,789.92
  5. Step 5: Solve for x
    x = 5,676,946,789.92/86,386.42
  6. Step 6: Final answer
    x = 65,715.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.