Home / 89,278.98-123,206.85-48,990.39

Finding the Fourth Proportional to 89,278.98, 123,206.85 and 48,990.39

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Solution

The fourth proportional to 89,278.98, 123,206.85 and 48,990.39 is: 67,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.98 : 123,206.85 = 48,990.39 : x
  2. Step 2: Convert to fraction form
    89,278.98/123,206.85 = 48,990.39/x
  3. Step 3: Cross multiply
    89,278.98x = 123,206.85 × 48,990.39
  4. Step 4: Simplify right side
    89,278.98x = 6,035,951,632.17
  5. Step 5: Solve for x
    x = 6,035,951,632.17/89,278.98
  6. Step 6: Final answer
    x = 67,607.76

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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.