Home / 89,887.52-124,039.20-49,601.60

Finding the Fourth Proportional to 89,887.52, 124,039.20 and 49,601.60

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Solution

The fourth proportional to 89,887.52, 124,039.20 and 49,601.60 is: 68,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,887.52 : 124,039.20 = 49,601.60 : x
  2. Step 2: Convert to fraction form
    89,887.52/124,039.20 = 49,601.60/x
  3. Step 3: Cross multiply
    89,887.52x = 124,039.20 × 49,601.60
  4. Step 4: Simplify right side
    89,887.52x = 6,152,542,782.72
  5. Step 5: Solve for x
    x = 6,152,542,782.72/89,887.52
  6. Step 6: Final answer
    x = 68,447.13

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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.