Home / 71,364.35-98,475.62-39,527.30

Finding the Fourth Proportional to 71,364.35, 98,475.62 and 39,527.30

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Solution

The fourth proportional to 71,364.35, 98,475.62 and 39,527.30 is: 54,543.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364.35 : 98,475.62 = 39,527.30 : x
  2. Step 2: Convert to fraction form
    71,364.35/98,475.62 = 39,527.30/x
  3. Step 3: Cross multiply
    71,364.35x = 98,475.62 × 39,527.30
  4. Step 4: Simplify right side
    71,364.35x = 3,892,475,374.43
  5. Step 5: Solve for x
    x = 3,892,475,374.43/71,364.35
  6. Step 6: Final answer
    x = 54,543.70

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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.