Home / 61,109.31-84,330.09-34,251.78

Finding the Fourth Proportional to 61,109.31, 84,330.09 and 34,251.78

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Solution

The fourth proportional to 61,109.31, 84,330.09 and 34,251.78 is: 47,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,109.31 : 84,330.09 = 34,251.78 : x
  2. Step 2: Convert to fraction form
    61,109.31/84,330.09 = 34,251.78/x
  3. Step 3: Cross multiply
    61,109.31x = 84,330.09 × 34,251.78
  4. Step 4: Simplify right side
    61,109.31x = 2,888,455,690.06
  5. Step 5: Solve for x
    x = 2,888,455,690.06/61,109.31
  6. Step 6: Final answer
    x = 47,267.03

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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.