Home / 51,329.95-76,894.48-45,757.15

Finding the Fourth Proportional to 51,329.95, 76,894.48 and 45,757.15

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Solution

The fourth proportional to 51,329.95, 76,894.48 and 45,757.15 is: 68,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,329.95 : 76,894.48 = 45,757.15 : x
  2. Step 2: Convert to fraction form
    51,329.95/76,894.48 = 45,757.15/x
  3. Step 3: Cross multiply
    51,329.95x = 76,894.48 × 45,757.15
  4. Step 4: Simplify right side
    51,329.95x = 3,518,472,255.53
  5. Step 5: Solve for x
    x = 3,518,472,255.53/51,329.95
  6. Step 6: Final answer
    x = 68,546.19

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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.