Home / 89,066.16-122,907.60-48,778.92

Finding the Fourth Proportional to 89,066.16, 122,907.60 and 48,778.92

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Solution

The fourth proportional to 89,066.16, 122,907.60 and 48,778.92 is: 67,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,066.16 : 122,907.60 = 48,778.92 : x
  2. Step 2: Convert to fraction form
    89,066.16/122,907.60 = 48,778.92/x
  3. Step 3: Cross multiply
    89,066.16x = 122,907.60 × 48,778.92
  4. Step 4: Simplify right side
    89,066.16x = 5,995,299,987.79
  5. Step 5: Solve for x
    x = 5,995,299,987.79/89,066.16
  6. Step 6: Final answer
    x = 67,312.88

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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.