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Finding the Fourth Proportional to 88,561.92, 122,213.01 and 48,276.47

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Solution

The fourth proportional to 88,561.92, 122,213.01 and 48,276.47 is: 66,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,561.92 : 122,213.01 = 48,276.47 : x
  2. Step 2: Convert to fraction form
    88,561.92/122,213.01 = 48,276.47/x
  3. Step 3: Cross multiply
    88,561.92x = 122,213.01 × 48,276.47
  4. Step 4: Simplify right side
    88,561.92x = 5,900,012,099.81
  5. Step 5: Solve for x
    x = 5,900,012,099.81/88,561.92
  6. Step 6: Final answer
    x = 66,620.19

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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.