Home / 61,146.14-84,380.35-34,288.05

Finding the Fourth Proportional to 61,146.14, 84,380.35 and 34,288.05

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Solution

The fourth proportional to 61,146.14, 84,380.35 and 34,288.05 is: 47,316.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,146.14 : 84,380.35 = 34,288.05 : x
  2. Step 2: Convert to fraction form
    61,146.14/84,380.35 = 34,288.05/x
  3. Step 3: Cross multiply
    61,146.14x = 84,380.35 × 34,288.05
  4. Step 4: Simplify right side
    61,146.14x = 2,893,237,954.81
  5. Step 5: Solve for x
    x = 2,893,237,954.81/61,146.14
  6. Step 6: Final answer
    x = 47,316.78

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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.