Home / 88,642.39-132,964.76-29,478.07

Finding the Fourth Proportional to 88,642.39, 132,964.76 and 29,478.07

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Solution

The fourth proportional to 88,642.39, 132,964.76 and 29,478.07 is: 44,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,642.39 : 132,964.76 = 29,478.07 : x
  2. Step 2: Convert to fraction form
    88,642.39/132,964.76 = 29,478.07/x
  3. Step 3: Cross multiply
    88,642.39x = 132,964.76 × 29,478.07
  4. Step 4: Simplify right side
    88,642.39x = 3,919,544,502.81
  5. Step 5: Solve for x
    x = 3,919,544,502.81/88,642.39
  6. Step 6: Final answer
    x = 44,217.50

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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.