Home / 48,164.10-72,246.15-40,388.10

Finding the Fourth Proportional to 48,164.10, 72,246.15 and 40,388.10

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Solution

The fourth proportional to 48,164.10, 72,246.15 and 40,388.10 is: 60,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,164.10 : 72,246.15 = 40,388.10 : x
  2. Step 2: Convert to fraction form
    48,164.10/72,246.15 = 40,388.10/x
  3. Step 3: Cross multiply
    48,164.10x = 72,246.15 × 40,388.10
  4. Step 4: Simplify right side
    48,164.10x = 2,917,884,730.82
  5. Step 5: Solve for x
    x = 2,917,884,730.82/48,164.10
  6. Step 6: Final answer
    x = 60,582.15

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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.