Home / 68,870.95-103,295.09-64,387.87

Finding the Fourth Proportional to 68,870.95, 103,295.09 and 64,387.87

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Solution

The fourth proportional to 68,870.95, 103,295.09 and 64,387.87 is: 96,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,870.95 : 103,295.09 = 64,387.87 : x
  2. Step 2: Convert to fraction form
    68,870.95/103,295.09 = 64,387.87/x
  3. Step 3: Cross multiply
    68,870.95x = 103,295.09 × 64,387.87
  4. Step 4: Simplify right side
    68,870.95x = 6,650,950,504.62
  5. Step 5: Solve for x
    x = 6,650,950,504.62/68,870.95
  6. Step 6: Final answer
    x = 96,571.20

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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.