Home / 96,530.60-144,788.70-40,356.20

Finding the Fourth Proportional to 96,530.60, 144,788.70 and 40,356.20

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Solution

The fourth proportional to 96,530.60, 144,788.70 and 40,356.20 is: 60,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,530.60 : 144,788.70 = 40,356.20 : x
  2. Step 2: Convert to fraction form
    96,530.60/144,788.70 = 40,356.20/x
  3. Step 3: Cross multiply
    96,530.60x = 144,788.70 × 40,356.20
  4. Step 4: Simplify right side
    96,530.60x = 5,843,121,734.94
  5. Step 5: Solve for x
    x = 5,843,121,734.94/96,530.60
  6. Step 6: Final answer
    x = 60,531.29

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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.