Home / 71,446.42-98,585.51-39,615.55

Finding the Fourth Proportional to 71,446.42, 98,585.51 and 39,615.55

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Solution

The fourth proportional to 71,446.42, 98,585.51 and 39,615.55 is: 54,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,446.42 : 98,585.51 = 39,615.55 : x
  2. Step 2: Convert to fraction form
    71,446.42/98,585.51 = 39,615.55/x
  3. Step 3: Cross multiply
    71,446.42x = 98,585.51 × 39,615.55
  4. Step 4: Simplify right side
    71,446.42x = 3,905,519,200.68
  5. Step 5: Solve for x
    x = 3,905,519,200.68/71,446.42
  6. Step 6: Final answer
    x = 54,663.61

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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.