Home / 106,470.02-159,508.20-53,753.60

Finding the Fourth Proportional to 106,470.02, 159,508.20 and 53,753.60

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Solution

The fourth proportional to 106,470.02, 159,508.20 and 53,753.60 is: 80,531.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,470.02 : 159,508.20 = 53,753.60 : x
  2. Step 2: Convert to fraction form
    106,470.02/159,508.20 = 53,753.60/x
  3. Step 3: Cross multiply
    106,470.02x = 159,508.20 × 53,753.60
  4. Step 4: Simplify right side
    106,470.02x = 8,574,139,979.52
  5. Step 5: Solve for x
    x = 8,574,139,979.52/106,470.02
  6. Step 6: Final answer
    x = 80,531.03

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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.