Home / 89,068.16-122,910.36-48,780.92

Finding the Fourth Proportional to 89,068.16, 122,910.36 and 48,780.92

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Solution

The fourth proportional to 89,068.16, 122,910.36 and 48,780.92 is: 67,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068.16 : 122,910.36 = 48,780.92 : x
  2. Step 2: Convert to fraction form
    89,068.16/122,910.36 = 48,780.92/x
  3. Step 3: Cross multiply
    89,068.16x = 122,910.36 × 48,780.92
  4. Step 4: Simplify right side
    89,068.16x = 5,995,680,438.33
  5. Step 5: Solve for x
    x = 5,995,680,438.33/89,068.16
  6. Step 6: Final answer
    x = 67,315.64

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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.