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Finding the Fourth Proportional to 88,868.56, 133,275.88 and 46,725.92

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Solution

The fourth proportional to 88,868.56, 133,275.88 and 46,725.92 is: 70,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,868.56 : 133,275.88 = 46,725.92 : x
  2. Step 2: Convert to fraction form
    88,868.56/133,275.88 = 46,725.92/x
  3. Step 3: Cross multiply
    88,868.56x = 133,275.88 × 46,725.92
  4. Step 4: Simplify right side
    88,868.56x = 6,227,438,106.81
  5. Step 5: Solve for x
    x = 6,227,438,106.81/88,868.56
  6. Step 6: Final answer
    x = 70,074.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.