Home / 89,667.23-123,800.32-55,726.36

Finding the Fourth Proportional to 89,667.23, 123,800.32 and 55,726.36

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Solution

The fourth proportional to 89,667.23, 123,800.32 and 55,726.36 is: 76,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,667.23 : 123,800.32 = 55,726.36 : x
  2. Step 2: Convert to fraction form
    89,667.23/123,800.32 = 55,726.36/x
  3. Step 3: Cross multiply
    89,667.23x = 123,800.32 × 55,726.36
  4. Step 4: Simplify right side
    89,667.23x = 6,898,941,200.44
  5. Step 5: Solve for x
    x = 6,898,941,200.44/89,667.23
  6. Step 6: Final answer
    x = 76,939.38

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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.