Home / 68,925.90-95,118.66-66,541.80

Finding the Fourth Proportional to 68,925.90, 95,118.66 and 66,541.80

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Solution

The fourth proportional to 68,925.90, 95,118.66 and 66,541.80 is: 91,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,925.90 : 95,118.66 = 66,541.80 : x
  2. Step 2: Convert to fraction form
    68,925.90/95,118.66 = 66,541.80/x
  3. Step 3: Cross multiply
    68,925.90x = 95,118.66 × 66,541.80
  4. Step 4: Simplify right side
    68,925.90x = 6,329,366,849.99
  5. Step 5: Solve for x
    x = 6,329,366,849.99/68,925.90
  6. Step 6: Final answer
    x = 91,828.57

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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.