Home / 71,674.53-98,902.24-39,403.83

Finding the Fourth Proportional to 71,674.53, 98,902.24 and 39,403.83

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Solution

The fourth proportional to 71,674.53, 98,902.24 and 39,403.83 is: 54,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,674.53 : 98,902.24 = 39,403.83 : x
  2. Step 2: Convert to fraction form
    71,674.53/98,902.24 = 39,403.83/x
  3. Step 3: Cross multiply
    71,674.53x = 98,902.24 × 39,403.83
  4. Step 4: Simplify right side
    71,674.53x = 3,897,127,051.58
  5. Step 5: Solve for x
    x = 3,897,127,051.58/71,674.53
  6. Step 6: Final answer
    x = 54,372.55

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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.