Home / 88,632.78-122,358.38-68,444.34

Finding the Fourth Proportional to 88,632.78, 122,358.38 and 68,444.34

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Solution

The fourth proportional to 88,632.78, 122,358.38 and 68,444.34 is: 94,488.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,632.78 : 122,358.38 = 68,444.34 : x
  2. Step 2: Convert to fraction form
    88,632.78/122,358.38 = 68,444.34/x
  3. Step 3: Cross multiply
    88,632.78x = 122,358.38 × 68,444.34
  4. Step 4: Simplify right side
    88,632.78x = 8,374,738,562.57
  5. Step 5: Solve for x
    x = 8,374,738,562.57/88,632.78
  6. Step 6: Final answer
    x = 94,488.05

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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.