Home / 83,896.40-125,844.60-31,303.10

Finding the Fourth Proportional to 83,896.40, 125,844.60 and 31,303.10

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Solution

The fourth proportional to 83,896.40, 125,844.60 and 31,303.10 is: 46,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,896.40 : 125,844.60 = 31,303.10 : x
  2. Step 2: Convert to fraction form
    83,896.40/125,844.60 = 31,303.10/x
  3. Step 3: Cross multiply
    83,896.40x = 125,844.60 × 31,303.10
  4. Step 4: Simplify right side
    83,896.40x = 3,939,326,098.26
  5. Step 5: Solve for x
    x = 3,939,326,098.26/83,896.40
  6. Step 6: Final answer
    x = 46,954.65

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Similar ratio
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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.