Home / 71,358.80-98,475.24-39,527.04

Finding the Fourth Proportional to 71,358.80, 98,475.24 and 39,527.04

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Solution

The fourth proportional to 71,358.80, 98,475.24 and 39,527.04 is: 54,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,358.80 : 98,475.24 = 39,527.04 : x
  2. Step 2: Convert to fraction form
    71,358.80/98,475.24 = 39,527.04/x
  3. Step 3: Cross multiply
    71,358.80x = 98,475.24 × 39,527.04
  4. Step 4: Simplify right side
    71,358.80x = 3,892,434,750.49
  5. Step 5: Solve for x
    x = 3,892,434,750.49/71,358.80
  6. Step 6: Final answer
    x = 54,547.37

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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.