Home / 66,263.10-91,445.27-37,974.21

Finding the Fourth Proportional to 66,263.10, 91,445.27 and 37,974.21

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Solution

The fourth proportional to 66,263.10, 91,445.27 and 37,974.21 is: 52,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,263.10 : 91,445.27 = 37,974.21 : x
  2. Step 2: Convert to fraction form
    66,263.10/91,445.27 = 37,974.21/x
  3. Step 3: Cross multiply
    66,263.10x = 91,445.27 × 37,974.21
  4. Step 4: Simplify right side
    66,263.10x = 3,472,561,696.62
  5. Step 5: Solve for x
    x = 3,472,561,696.62/66,263.10
  6. Step 6: Final answer
    x = 52,405.66

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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.