Home / 71,594.12-98,801.10-39,330.10

Finding the Fourth Proportional to 71,594.12, 98,801.10 and 39,330.10

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Solution

The fourth proportional to 71,594.12, 98,801.10 and 39,330.10 is: 54,276.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.12 : 98,801.10 = 39,330.10 : x
  2. Step 2: Convert to fraction form
    71,594.12/98,801.10 = 39,330.10/x
  3. Step 3: Cross multiply
    71,594.12x = 98,801.10 × 39,330.10
  4. Step 4: Simplify right side
    71,594.12x = 3,885,857,143.11
  5. Step 5: Solve for x
    x = 3,885,857,143.11/71,594.12
  6. Step 6: Final answer
    x = 54,276.21

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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.