Home / 89,039.17-122,874.03-48,752.92

Finding the Fourth Proportional to 89,039.17, 122,874.03 and 48,752.92

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Solution

The fourth proportional to 89,039.17, 122,874.03 and 48,752.92 is: 67,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,039.17 : 122,874.03 = 48,752.92 : x
  2. Step 2: Convert to fraction form
    89,039.17/122,874.03 = 48,752.92/x
  3. Step 3: Cross multiply
    89,039.17x = 122,874.03 × 48,752.92
  4. Step 4: Simplify right side
    89,039.17x = 5,990,467,754.67
  5. Step 5: Solve for x
    x = 5,990,467,754.67/89,039.17
  6. Step 6: Final answer
    x = 67,279.02

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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.