Home / 90,528.78-124,944.72-52,803.02

Finding the Fourth Proportional to 90,528.78, 124,944.72 and 52,803.02

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Solution

The fourth proportional to 90,528.78, 124,944.72 and 52,803.02 is: 72,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528.78 : 124,944.72 = 52,803.02 : x
  2. Step 2: Convert to fraction form
    90,528.78/124,944.72 = 52,803.02/x
  3. Step 3: Cross multiply
    90,528.78x = 124,944.72 × 52,803.02
  4. Step 4: Simplify right side
    90,528.78x = 6,597,458,549.05
  5. Step 5: Solve for x
    x = 6,597,458,549.05/90,528.78
  6. Step 6: Final answer
    x = 72,876.92

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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.