Home / 91,786.98-137,719.93-49,697.13

Finding the Fourth Proportional to 91,786.98, 137,719.93 and 49,697.13

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Solution

The fourth proportional to 91,786.98, 137,719.93 and 49,697.13 is: 74,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,786.98 : 137,719.93 = 49,697.13 : x
  2. Step 2: Convert to fraction form
    91,786.98/137,719.93 = 49,697.13/x
  3. Step 3: Cross multiply
    91,786.98x = 137,719.93 × 49,697.13
  4. Step 4: Simplify right side
    91,786.98x = 6,844,285,264.80
  5. Step 5: Solve for x
    x = 6,844,285,264.80/91,786.98
  6. Step 6: Final answer
    x = 74,567.06

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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.