Home / 82,921.08-124,381-23,756.80

Finding the Fourth Proportional to 82,921.08, 124,381 and 23,756.80

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Solution

The fourth proportional to 82,921.08, 124,381 and 23,756.80 is: 35,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.08 : 124,381 = 23,756.80 : x
  2. Step 2: Convert to fraction form
    82,921.08/124,381 = 23,756.80/x
  3. Step 3: Cross multiply
    82,921.08x = 124,381 × 23,756.80
  4. Step 4: Simplify right side
    82,921.08x = 2,954,894,540.80
  5. Step 5: Solve for x
    x = 2,954,894,540.80/82,921.08
  6. Step 6: Final answer
    x = 35,635.02

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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.