Home / 75,487.11-104,182.02-48,707.52

Finding the Fourth Proportional to 75,487.11, 104,182.02 and 48,707.52

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Solution

The fourth proportional to 75,487.11, 104,182.02 and 48,707.52 is: 67,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,487.11 : 104,182.02 = 48,707.52 : x
  2. Step 2: Convert to fraction form
    75,487.11/104,182.02 = 48,707.52/x
  3. Step 3: Cross multiply
    75,487.11x = 104,182.02 × 48,707.52
  4. Step 4: Simplify right side
    75,487.11x = 5,074,447,822.79
  5. Step 5: Solve for x
    x = 5,074,447,822.79/75,487.11
  6. Step 6: Final answer
    x = 67,222.71

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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.