Home / 71,339.47-98,451.66-39,076.36

Finding the Fourth Proportional to 71,339.47, 98,451.66 and 39,076.36

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Solution

The fourth proportional to 71,339.47, 98,451.66 and 39,076.36 is: 53,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339.47 : 98,451.66 = 39,076.36 : x
  2. Step 2: Convert to fraction form
    71,339.47/98,451.66 = 39,076.36/x
  3. Step 3: Cross multiply
    71,339.47x = 98,451.66 × 39,076.36
  4. Step 4: Simplify right side
    71,339.47x = 3,847,132,508.76
  5. Step 5: Solve for x
    x = 3,847,132,508.76/71,339.47
  6. Step 6: Final answer
    x = 53,927.12

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1.5x scale

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.