Home / 91,065.94-125,670.46-50,780.18

Finding the Fourth Proportional to 91,065.94, 125,670.46 and 50,780.18

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Solution

The fourth proportional to 91,065.94, 125,670.46 and 50,780.18 is: 70,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065.94 : 125,670.46 = 50,780.18 : x
  2. Step 2: Convert to fraction form
    91,065.94/125,670.46 = 50,780.18/x
  3. Step 3: Cross multiply
    91,065.94x = 125,670.46 × 50,780.18
  4. Step 4: Simplify right side
    91,065.94x = 6,381,568,579.48
  5. Step 5: Solve for x
    x = 6,381,568,579.48/91,065.94
  6. Step 6: Final answer
    x = 70,076.35

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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.