Home / 94,490.40-141,541.20-47,769.60

Finding the Fourth Proportional to 94,490.40, 141,541.20 and 47,769.60

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Solution

The fourth proportional to 94,490.40, 141,541.20 and 47,769.60 is: 71,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,490.40 : 141,541.20 = 47,769.60 : x
  2. Step 2: Convert to fraction form
    94,490.40/141,541.20 = 47,769.60/x
  3. Step 3: Cross multiply
    94,490.40x = 141,541.20 × 47,769.60
  4. Step 4: Simplify right side
    94,490.40x = 6,761,366,507.52
  5. Step 5: Solve for x
    x = 6,761,366,507.52/94,490.40
  6. Step 6: Final answer
    x = 71,556.12

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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.