Home / 67,411.20-93,045.96-39,126

Finding the Fourth Proportional to 67,411.20, 93,045.96 and 39,126

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Solution

The fourth proportional to 67,411.20, 93,045.96 and 39,126 is: 54,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,411.20 : 93,045.96 = 39,126 : x
  2. Step 2: Convert to fraction form
    67,411.20/93,045.96 = 39,126/x
  3. Step 3: Cross multiply
    67,411.20x = 93,045.96 × 39,126
  4. Step 4: Simplify right side
    67,411.20x = 3,640,516,230.96
  5. Step 5: Solve for x
    x = 3,640,516,230.96/67,411.20
  6. Step 6: Final answer
    x = 54,004.62

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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.