Home / 72,211.82-108,370.96-34,261.25

Finding the Fourth Proportional to 72,211.82, 108,370.96 and 34,261.25

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Solution

The fourth proportional to 72,211.82, 108,370.96 and 34,261.25 is: 51,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.82 : 108,370.96 = 34,261.25 : x
  2. Step 2: Convert to fraction form
    72,211.82/108,370.96 = 34,261.25/x
  3. Step 3: Cross multiply
    72,211.82x = 108,370.96 × 34,261.25
  4. Step 4: Simplify right side
    72,211.82x = 3,712,923,925.79
  5. Step 5: Solve for x
    x = 3,712,923,925.79/72,211.82
  6. Step 6: Final answer
    x = 51,417.13

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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.