Home / 61,178.16-91,352.88-48,556.56

Finding the Fourth Proportional to 61,178.16, 91,352.88 and 48,556.56

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Solution

The fourth proportional to 61,178.16, 91,352.88 and 48,556.56 is: 72,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,178.16 : 91,352.88 = 48,556.56 : x
  2. Step 2: Convert to fraction form
    61,178.16/91,352.88 = 48,556.56/x
  3. Step 3: Cross multiply
    61,178.16x = 91,352.88 × 48,556.56
  4. Step 4: Simplify right side
    61,178.16x = 4,435,781,598.89
  5. Step 5: Solve for x
    x = 4,435,781,598.89/61,178.16
  6. Step 6: Final answer
    x = 72,505.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.