Home / 59,228.86-81,679.28-38,780.41

Finding the Fourth Proportional to 59,228.86, 81,679.28 and 38,780.41

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Solution

The fourth proportional to 59,228.86, 81,679.28 and 38,780.41 is: 53,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,228.86 : 81,679.28 = 38,780.41 : x
  2. Step 2: Convert to fraction form
    59,228.86/81,679.28 = 38,780.41/x
  3. Step 3: Cross multiply
    59,228.86x = 81,679.28 × 38,780.41
  4. Step 4: Simplify right side
    59,228.86x = 3,167,555,364.61
  5. Step 5: Solve for x
    x = 3,167,555,364.61/59,228.86
  6. Step 6: Final answer
    x = 53,479.94

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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.