Home / 90,541.52-124,941.42-50,255.30

Finding the Fourth Proportional to 90,541.52, 124,941.42 and 50,255.30

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Solution

The fourth proportional to 90,541.52, 124,941.42 and 50,255.30 is: 69,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541.52 : 124,941.42 = 50,255.30 : x
  2. Step 2: Convert to fraction form
    90,541.52/124,941.42 = 50,255.30/x
  3. Step 3: Cross multiply
    90,541.52x = 124,941.42 × 50,255.30
  4. Step 4: Simplify right side
    90,541.52x = 6,278,968,544.53
  5. Step 5: Solve for x
    x = 6,278,968,544.53/90,541.52
  6. Step 6: Final answer
    x = 69,349.05

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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.