Home / 88,429.70-122,032.86-48,143.73

Finding the Fourth Proportional to 88,429.70, 122,032.86 and 48,143.73

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Solution

The fourth proportional to 88,429.70, 122,032.86 and 48,143.73 is: 66,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,429.70 : 122,032.86 = 48,143.73 : x
  2. Step 2: Convert to fraction form
    88,429.70/122,032.86 = 48,143.73/x
  3. Step 3: Cross multiply
    88,429.70x = 122,032.86 × 48,143.73
  4. Step 4: Simplify right side
    88,429.70x = 5,875,117,062.97
  5. Step 5: Solve for x
    x = 5,875,117,062.97/88,429.70
  6. Step 6: Final answer
    x = 66,438.28

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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.