Home / 89,262.84-123,186.20-48,978.28

Finding the Fourth Proportional to 89,262.84, 123,186.20 and 48,978.28

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Solution

The fourth proportional to 89,262.84, 123,186.20 and 48,978.28 is: 67,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,262.84 : 123,186.20 = 48,978.28 : x
  2. Step 2: Convert to fraction form
    89,262.84/123,186.20 = 48,978.28/x
  3. Step 3: Cross multiply
    89,262.84x = 123,186.20 × 48,978.28
  4. Step 4: Simplify right side
    89,262.84x = 6,033,448,195.74
  5. Step 5: Solve for x
    x = 6,033,448,195.74/89,262.84
  6. Step 6: Final answer
    x = 67,591.94

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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.