Home / 88,202.82-121,718.88-47,915.73

Finding the Fourth Proportional to 88,202.82, 121,718.88 and 47,915.73

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Solution

The fourth proportional to 88,202.82, 121,718.88 and 47,915.73 is: 66,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,202.82 : 121,718.88 = 47,915.73 : x
  2. Step 2: Convert to fraction form
    88,202.82/121,718.88 = 47,915.73/x
  3. Step 3: Cross multiply
    88,202.82x = 121,718.88 × 47,915.73
  4. Step 4: Simplify right side
    88,202.82x = 5,832,248,989.98
  5. Step 5: Solve for x
    x = 5,832,248,989.98/88,202.82
  6. Step 6: Final answer
    x = 66,123.16

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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.