Home / 75,835.28-113,752.90-40,726.64

Finding the Fourth Proportional to 75,835.28, 113,752.90 and 40,726.64

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Solution

The fourth proportional to 75,835.28, 113,752.90 and 40,726.64 is: 61,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,835.28 : 113,752.90 = 40,726.64 : x
  2. Step 2: Convert to fraction form
    75,835.28/113,752.90 = 40,726.64/x
  3. Step 3: Cross multiply
    75,835.28x = 113,752.90 × 40,726.64
  4. Step 4: Simplify right side
    75,835.28x = 4,632,773,407.26
  5. Step 5: Solve for x
    x = 4,632,773,407.26/75,835.28
  6. Step 6: Final answer
    x = 61,089.95

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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.