Home / 71,334.14-98,442.63-39,070.13

Finding the Fourth Proportional to 71,334.14, 98,442.63 and 39,070.13

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Solution

The fourth proportional to 71,334.14, 98,442.63 and 39,070.13 is: 53,917.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,334.14 : 98,442.63 = 39,070.13 : x
  2. Step 2: Convert to fraction form
    71,334.14/98,442.63 = 39,070.13/x
  3. Step 3: Cross multiply
    71,334.14x = 98,442.63 × 39,070.13
  4. Step 4: Simplify right side
    71,334.14x = 3,846,165,859.43
  5. Step 5: Solve for x
    x = 3,846,165,859.43/71,334.14
  6. Step 6: Final answer
    x = 53,917.61

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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.