Home / 82,990.20-124,447.86-23,812.44

Finding the Fourth Proportional to 82,990.20, 124,447.86 and 23,812.44

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Solution

The fourth proportional to 82,990.20, 124,447.86 and 23,812.44 is: 35,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,990.20 : 124,447.86 = 23,812.44 : x
  2. Step 2: Convert to fraction form
    82,990.20/124,447.86 = 23,812.44/x
  3. Step 3: Cross multiply
    82,990.20x = 124,447.86 × 23,812.44
  4. Step 4: Simplify right side
    82,990.20x = 2,963,407,199.38
  5. Step 5: Solve for x
    x = 2,963,407,199.38/82,990.20
  6. Step 6: Final answer
    x = 35,707.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.