Home / 63,734.16-87,929.64-38,574.48

Finding the Fourth Proportional to 63,734.16, 87,929.64 and 38,574.48

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Solution

The fourth proportional to 63,734.16, 87,929.64 and 38,574.48 is: 53,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,734.16 : 87,929.64 = 38,574.48 : x
  2. Step 2: Convert to fraction form
    63,734.16/87,929.64 = 38,574.48/x
  3. Step 3: Cross multiply
    63,734.16x = 87,929.64 × 38,574.48
  4. Step 4: Simplify right side
    63,734.16x = 3,391,840,139.59
  5. Step 5: Solve for x
    x = 3,391,840,139.59/63,734.16
  6. Step 6: Final answer
    x = 53,218.56

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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.