Home / 89,015.96-122,837.28-48,721.92

Finding the Fourth Proportional to 89,015.96, 122,837.28 and 48,721.92

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Solution

The fourth proportional to 89,015.96, 122,837.28 and 48,721.92 is: 67,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,015.96 : 122,837.28 = 48,721.92 : x
  2. Step 2: Convert to fraction form
    89,015.96/122,837.28 = 48,721.92/x
  3. Step 3: Cross multiply
    89,015.96x = 122,837.28 × 48,721.92
  4. Step 4: Simplify right side
    89,015.96x = 5,984,868,129.18
  5. Step 5: Solve for x
    x = 5,984,868,129.18/89,015.96
  6. Step 6: Final answer
    x = 67,233.65

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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.