Home / 75,782.61-113,772.33-58,264.74

Finding the Fourth Proportional to 75,782.61, 113,772.33 and 58,264.74

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Solution

The fourth proportional to 75,782.61, 113,772.33 and 58,264.74 is: 87,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,782.61 : 113,772.33 = 58,264.74 : x
  2. Step 2: Convert to fraction form
    75,782.61/113,772.33 = 58,264.74/x
  3. Step 3: Cross multiply
    75,782.61x = 113,772.33 × 58,264.74
  4. Step 4: Simplify right side
    75,782.61x = 6,628,915,226.64
  5. Step 5: Solve for x
    x = 6,628,915,226.64/75,782.61
  6. Step 6: Final answer
    x = 87,472.78

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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.