Home / 90,558.68-124,972.36-50,275.04

Finding the Fourth Proportional to 90,558.68, 124,972.36 and 50,275.04

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Solution

The fourth proportional to 90,558.68, 124,972.36 and 50,275.04 is: 69,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,558.68 : 124,972.36 = 50,275.04 : x
  2. Step 2: Convert to fraction form
    90,558.68/124,972.36 = 50,275.04/x
  3. Step 3: Cross multiply
    90,558.68x = 124,972.36 × 50,275.04
  4. Step 4: Simplify right side
    90,558.68x = 6,282,989,647.35
  5. Step 5: Solve for x
    x = 6,282,989,647.35/90,558.68
  6. Step 6: Final answer
    x = 69,380.32

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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.