Home / 82,965.60-124,426.08-30,375.36

Finding the Fourth Proportional to 82,965.60, 124,426.08 and 30,375.36

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Solution

The fourth proportional to 82,965.60, 124,426.08 and 30,375.36 is: 45,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,965.60 : 124,426.08 = 30,375.36 : x
  2. Step 2: Convert to fraction form
    82,965.60/124,426.08 = 30,375.36/x
  3. Step 3: Cross multiply
    82,965.60x = 124,426.08 × 30,375.36
  4. Step 4: Simplify right side
    82,965.60x = 3,779,486,973.39
  5. Step 5: Solve for x
    x = 3,779,486,973.39/82,965.60
  6. Step 6: Final answer
    x = 45,554.87

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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.