Home / 66,281.92-99,461.82-47,541.76

Finding the Fourth Proportional to 66,281.92, 99,461.82 and 47,541.76

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Solution

The fourth proportional to 66,281.92, 99,461.82 and 47,541.76 is: 71,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.92 : 99,461.82 = 47,541.76 : x
  2. Step 2: Convert to fraction form
    66,281.92/99,461.82 = 47,541.76/x
  3. Step 3: Cross multiply
    66,281.92x = 99,461.82 × 47,541.76
  4. Step 4: Simplify right side
    66,281.92x = 4,728,589,975.60
  5. Step 5: Solve for x
    x = 4,728,589,975.60/66,281.92
  6. Step 6: Final answer
    x = 71,340.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.