Home / 94,557.60-141,706.80-66,823.20

Finding the Fourth Proportional to 94,557.60, 141,706.80 and 66,823.20

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Solution

The fourth proportional to 94,557.60, 141,706.80 and 66,823.20 is: 100,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,557.60 : 141,706.80 = 66,823.20 : x
  2. Step 2: Convert to fraction form
    94,557.60/141,706.80 = 66,823.20/x
  3. Step 3: Cross multiply
    94,557.60x = 141,706.80 × 66,823.20
  4. Step 4: Simplify right side
    94,557.60x = 9,469,301,837.76
  5. Step 5: Solve for x
    x = 9,469,301,837.76/94,557.60
  6. Step 6: Final answer
    x = 100,143.21

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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.