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Finding the Fourth Proportional to 88,595.94, 122,260.14 and 48,309.78

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Solution

The fourth proportional to 88,595.94, 122,260.14 and 48,309.78 is: 66,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,595.94 : 122,260.14 = 48,309.78 : x
  2. Step 2: Convert to fraction form
    88,595.94/122,260.14 = 48,309.78/x
  3. Step 3: Cross multiply
    88,595.94x = 122,260.14 × 48,309.78
  4. Step 4: Simplify right side
    88,595.94x = 5,906,360,466.17
  5. Step 5: Solve for x
    x = 5,906,360,466.17/88,595.94
  6. Step 6: Final answer
    x = 66,666.27

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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.