Home / 71,182.28-98,230.50-39,350.52

Finding the Fourth Proportional to 71,182.28, 98,230.50 and 39,350.52

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Solution

The fourth proportional to 71,182.28, 98,230.50 and 39,350.52 is: 54,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,182.28 : 98,230.50 = 39,350.52 : x
  2. Step 2: Convert to fraction form
    71,182.28/98,230.50 = 39,350.52/x
  3. Step 3: Cross multiply
    71,182.28x = 98,230.50 × 39,350.52
  4. Step 4: Simplify right side
    71,182.28x = 3,865,421,254.86
  5. Step 5: Solve for x
    x = 3,865,421,254.86/71,182.28
  6. Step 6: Final answer
    x = 54,303.14

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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.