Home / 60,212.15-83,062.20-40,043.15

Finding the Fourth Proportional to 60,212.15, 83,062.20 and 40,043.15

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Solution

The fourth proportional to 60,212.15, 83,062.20 and 40,043.15 is: 55,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,212.15 : 83,062.20 = 40,043.15 : x
  2. Step 2: Convert to fraction form
    60,212.15/83,062.20 = 40,043.15/x
  3. Step 3: Cross multiply
    60,212.15x = 83,062.20 × 40,043.15
  4. Step 4: Simplify right side
    60,212.15x = 3,326,071,718.62
  5. Step 5: Solve for x
    x = 3,326,071,718.62/60,212.15
  6. Step 6: Final answer
    x = 55,239.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.