Home / 89,422.83-123,403.14-51,182.19

Finding the Fourth Proportional to 89,422.83, 123,403.14 and 51,182.19

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Solution

The fourth proportional to 89,422.83, 123,403.14 and 51,182.19 is: 70,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,422.83 : 123,403.14 = 51,182.19 : x
  2. Step 2: Convert to fraction form
    89,422.83/123,403.14 = 51,182.19/x
  3. Step 3: Cross multiply
    89,422.83x = 123,403.14 × 51,182.19
  4. Step 4: Simplify right side
    89,422.83x = 6,316,042,958.08
  5. Step 5: Solve for x
    x = 6,316,042,958.08/89,422.83
  6. Step 6: Final answer
    x = 70,631.21

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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.