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Finding the Fourth Proportional to 88,684.40, 133,091.40 and 62,440.40

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Solution

The fourth proportional to 88,684.40, 133,091.40 and 62,440.40 is: 93,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,684.40 : 133,091.40 = 62,440.40 : x
  2. Step 2: Convert to fraction form
    88,684.40/133,091.40 = 62,440.40/x
  3. Step 3: Cross multiply
    88,684.40x = 133,091.40 × 62,440.40
  4. Step 4: Simplify right side
    88,684.40x = 8,310,280,252.56
  5. Step 5: Solve for x
    x = 8,310,280,252.56/88,684.40
  6. Step 6: Final answer
    x = 93,706.22

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1.5x scale

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.