Home / 48,187.88-66,437.33-31,162.08

Finding the Fourth Proportional to 48,187.88, 66,437.33 and 31,162.08

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Solution

The fourth proportional to 48,187.88, 66,437.33 and 31,162.08 is: 42,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187.88 : 66,437.33 = 31,162.08 : x
  2. Step 2: Convert to fraction form
    48,187.88/66,437.33 = 31,162.08/x
  3. Step 3: Cross multiply
    48,187.88x = 66,437.33 × 31,162.08
  4. Step 4: Simplify right side
    48,187.88x = 2,070,325,392.45
  5. Step 5: Solve for x
    x = 2,070,325,392.45/48,187.88
  6. Step 6: Final answer
    x = 42,963.61

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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.