Home / 90,979.64-125,552.10-52,746.56

Finding the Fourth Proportional to 90,979.64, 125,552.10 and 52,746.56

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Solution

The fourth proportional to 90,979.64, 125,552.10 and 52,746.56 is: 72,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,979.64 : 125,552.10 = 52,746.56 : x
  2. Step 2: Convert to fraction form
    90,979.64/125,552.10 = 52,746.56/x
  3. Step 3: Cross multiply
    90,979.64x = 125,552.10 × 52,746.56
  4. Step 4: Simplify right side
    90,979.64x = 6,622,441,375.78
  5. Step 5: Solve for x
    x = 6,622,441,375.78/90,979.64
  6. Step 6: Final answer
    x = 72,790.37

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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.