Home / 66,863.45-92,281.02-41,378.02

Finding the Fourth Proportional to 66,863.45, 92,281.02 and 41,378.02

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Solution

The fourth proportional to 66,863.45, 92,281.02 and 41,378.02 is: 57,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863.45 : 92,281.02 = 41,378.02 : x
  2. Step 2: Convert to fraction form
    66,863.45/92,281.02 = 41,378.02/x
  3. Step 3: Cross multiply
    66,863.45x = 92,281.02 × 41,378.02
  4. Step 4: Simplify right side
    66,863.45x = 3,818,406,143.02
  5. Step 5: Solve for x
    x = 3,818,406,143.02/66,863.45
  6. Step 6: Final answer
    x = 57,107.53

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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.