Home / 88,432.73-122,039.72-48,147.17

Finding the Fourth Proportional to 88,432.73, 122,039.72 and 48,147.17

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Solution

The fourth proportional to 88,432.73, 122,039.72 and 48,147.17 is: 66,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432.73 : 122,039.72 = 48,147.17 : x
  2. Step 2: Convert to fraction form
    88,432.73/122,039.72 = 48,147.17/x
  3. Step 3: Cross multiply
    88,432.73x = 122,039.72 × 48,147.17
  4. Step 4: Simplify right side
    88,432.73x = 5,875,867,145.59
  5. Step 5: Solve for x
    x = 5,875,867,145.59/88,432.73
  6. Step 6: Final answer
    x = 66,444.48

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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.