Home / 71,331.46-98,435.18-39,064.66

Finding the Fourth Proportional to 71,331.46, 98,435.18 and 39,064.66

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Solution

The fourth proportional to 71,331.46, 98,435.18 and 39,064.66 is: 53,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331.46 : 98,435.18 = 39,064.66 : x
  2. Step 2: Convert to fraction form
    71,331.46/98,435.18 = 39,064.66/x
  3. Step 3: Cross multiply
    71,331.46x = 98,435.18 × 39,064.66
  4. Step 4: Simplify right side
    71,331.46x = 3,845,336,838.74
  5. Step 5: Solve for x
    x = 3,845,336,838.74/71,331.46
  6. Step 6: Final answer
    x = 53,908.01

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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.