Home / 64,291.20-88,723.18-38,476.43

Finding the Fourth Proportional to 64,291.20, 88,723.18 and 38,476.43

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Solution

The fourth proportional to 64,291.20, 88,723.18 and 38,476.43 is: 53,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.20 : 88,723.18 = 38,476.43 : x
  2. Step 2: Convert to fraction form
    64,291.20/88,723.18 = 38,476.43/x
  3. Step 3: Cross multiply
    64,291.20x = 88,723.18 × 38,476.43
  4. Step 4: Simplify right side
    64,291.20x = 3,413,751,161.84
  5. Step 5: Solve for x
    x = 3,413,751,161.84/64,291.20
  6. Step 6: Final answer
    x = 53,098.27

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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.