Home / 69,986.61-96,582.51-38,156.04

Finding the Fourth Proportional to 69,986.61, 96,582.51 and 38,156.04

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Solution

The fourth proportional to 69,986.61, 96,582.51 and 38,156.04 is: 52,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986.61 : 96,582.51 = 38,156.04 : x
  2. Step 2: Convert to fraction form
    69,986.61/96,582.51 = 38,156.04/x
  3. Step 3: Cross multiply
    69,986.61x = 96,582.51 × 38,156.04
  4. Step 4: Simplify right side
    69,986.61x = 3,685,206,114.86
  5. Step 5: Solve for x
    x = 3,685,206,114.86/69,986.61
  6. Step 6: Final answer
    x = 52,655.87

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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.