Home / 90,541.66-124,941.62-50,255.43

Finding the Fourth Proportional to 90,541.66, 124,941.62 and 50,255.43

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Solution

The fourth proportional to 90,541.66, 124,941.62 and 50,255.43 is: 69,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541.66 : 124,941.62 = 50,255.43 : x
  2. Step 2: Convert to fraction form
    90,541.66/124,941.62 = 50,255.43/x
  3. Step 3: Cross multiply
    90,541.66x = 124,941.62 × 50,255.43
  4. Step 4: Simplify right side
    90,541.66x = 6,278,994,838.00
  5. Step 5: Solve for x
    x = 6,278,994,838.00/90,541.66
  6. Step 6: Final answer
    x = 69,349.23

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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.