Home / 83,649.54-115,444.08-47,832.42

Finding the Fourth Proportional to 83,649.54, 115,444.08 and 47,832.42

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Solution

The fourth proportional to 83,649.54, 115,444.08 and 47,832.42 is: 66,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.54 : 115,444.08 = 47,832.42 : x
  2. Step 2: Convert to fraction form
    83,649.54/115,444.08 = 47,832.42/x
  3. Step 3: Cross multiply
    83,649.54x = 115,444.08 × 47,832.42
  4. Step 4: Simplify right side
    83,649.54x = 5,521,969,721.07
  5. Step 5: Solve for x
    x = 5,521,969,721.07/83,649.54
  6. Step 6: Final answer
    x = 66,013.15

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1.5x scale

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.