Home / 66,916.65-92,264.22-57,825.75

Finding the Fourth Proportional to 66,916.65, 92,264.22 and 57,825.75

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Solution

The fourth proportional to 66,916.65, 92,264.22 and 57,825.75 is: 79,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,916.65 : 92,264.22 = 57,825.75 : x
  2. Step 2: Convert to fraction form
    66,916.65/92,264.22 = 57,825.75/x
  3. Step 3: Cross multiply
    66,916.65x = 92,264.22 × 57,825.75
  4. Step 4: Simplify right side
    66,916.65x = 5,335,247,719.67
  5. Step 5: Solve for x
    x = 5,335,247,719.67/66,916.65
  6. Step 6: Final answer
    x = 79,729.75

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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.