Home / 89,447.92-123,435.52-51,206.20

Finding the Fourth Proportional to 89,447.92, 123,435.52 and 51,206.20

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Solution

The fourth proportional to 89,447.92, 123,435.52 and 51,206.20 is: 70,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,447.92 : 123,435.52 = 51,206.20 : x
  2. Step 2: Convert to fraction form
    89,447.92/123,435.52 = 51,206.20/x
  3. Step 3: Cross multiply
    89,447.92x = 123,435.52 × 51,206.20
  4. Step 4: Simplify right side
    89,447.92x = 6,320,663,924.22
  5. Step 5: Solve for x
    x = 6,320,663,924.22/89,447.92
  6. Step 6: Final answer
    x = 70,663.06

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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.