Home / 89,625.30-123,683.75-49,339.86

Finding the Fourth Proportional to 89,625.30, 123,683.75 and 49,339.86

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Solution

The fourth proportional to 89,625.30, 123,683.75 and 49,339.86 is: 68,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625.30 : 123,683.75 = 49,339.86 : x
  2. Step 2: Convert to fraction form
    89,625.30/123,683.75 = 49,339.86/x
  3. Step 3: Cross multiply
    89,625.30x = 123,683.75 × 49,339.86
  4. Step 4: Simplify right side
    89,625.30x = 6,102,538,909.28
  5. Step 5: Solve for x
    x = 6,102,538,909.28/89,625.30
  6. Step 6: Final answer
    x = 68,089.47

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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.