Home / 84,036.25-126,051.84-34,115.14

Finding the Fourth Proportional to 84,036.25, 126,051.84 and 34,115.14

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Solution

The fourth proportional to 84,036.25, 126,051.84 and 34,115.14 is: 51,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,036.25 : 126,051.84 = 34,115.14 : x
  2. Step 2: Convert to fraction form
    84,036.25/126,051.84 = 34,115.14/x
  3. Step 3: Cross multiply
    84,036.25x = 126,051.84 × 34,115.14
  4. Step 4: Simplify right side
    84,036.25x = 4,300,275,853.73
  5. Step 5: Solve for x
    x = 4,300,275,853.73/84,036.25
  6. Step 6: Final answer
    x = 51,171.68

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1.5x scale

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.