Home / 71,416.46-98,553.12-39,585.08

Finding the Fourth Proportional to 71,416.46, 98,553.12 and 39,585.08

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Solution

The fourth proportional to 71,416.46, 98,553.12 and 39,585.08 is: 54,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416.46 : 98,553.12 = 39,585.08 : x
  2. Step 2: Convert to fraction form
    71,416.46/98,553.12 = 39,585.08/x
  3. Step 3: Cross multiply
    71,416.46x = 98,553.12 × 39,585.08
  4. Step 4: Simplify right side
    71,416.46x = 3,901,233,139.45
  5. Step 5: Solve for x
    x = 3,901,233,139.45/71,416.46
  6. Step 6: Final answer
    x = 54,626.53

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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.