Home / 90,363.28-124,706.32-50,076.20

Finding the Fourth Proportional to 90,363.28, 124,706.32 and 50,076.20

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Solution

The fourth proportional to 90,363.28, 124,706.32 and 50,076.20 is: 69,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,363.28 : 124,706.32 = 50,076.20 : x
  2. Step 2: Convert to fraction form
    90,363.28/124,706.32 = 50,076.20/x
  3. Step 3: Cross multiply
    90,363.28x = 124,706.32 × 50,076.20
  4. Step 4: Simplify right side
    90,363.28x = 6,244,818,621.58
  5. Step 5: Solve for x
    x = 6,244,818,621.58/90,363.28
  6. Step 6: Final answer
    x = 69,107.92

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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.