Home / 61,381.54-84,707.40-36,231.04

Finding the Fourth Proportional to 61,381.54, 84,707.40 and 36,231.04

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Solution

The fourth proportional to 61,381.54, 84,707.40 and 36,231.04 is: 49,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,381.54 : 84,707.40 = 36,231.04 : x
  2. Step 2: Convert to fraction form
    61,381.54/84,707.40 = 36,231.04/x
  3. Step 3: Cross multiply
    61,381.54x = 84,707.40 × 36,231.04
  4. Step 4: Simplify right side
    61,381.54x = 3,069,037,197.70
  5. Step 5: Solve for x
    x = 3,069,037,197.70/61,381.54
  6. Step 6: Final answer
    x = 49,999.35

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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.