Home / 66,095.12-91,211.28-35,880.41

Finding the Fourth Proportional to 66,095.12, 91,211.28 and 35,880.41

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Solution

The fourth proportional to 66,095.12, 91,211.28 and 35,880.41 is: 49,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,095.12 : 91,211.28 = 35,880.41 : x
  2. Step 2: Convert to fraction form
    66,095.12/91,211.28 = 35,880.41/x
  3. Step 3: Cross multiply
    66,095.12x = 91,211.28 × 35,880.41
  4. Step 4: Simplify right side
    66,095.12x = 3,272,698,123.02
  5. Step 5: Solve for x
    x = 3,272,698,123.02/66,095.12
  6. Step 6: Final answer
    x = 49,514.97

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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.