Home / 90,652.60-125,118.48-57,926.08

Finding the Fourth Proportional to 90,652.60, 125,118.48 and 57,926.08

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Solution

The fourth proportional to 90,652.60, 125,118.48 and 57,926.08 is: 79,949.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,652.60 : 125,118.48 = 57,926.08 : x
  2. Step 2: Convert to fraction form
    90,652.60/125,118.48 = 57,926.08/x
  3. Step 3: Cross multiply
    90,652.60x = 125,118.48 × 57,926.08
  4. Step 4: Simplify right side
    90,652.60x = 7,247,623,081.96
  5. Step 5: Solve for x
    x = 7,247,623,081.96/90,652.60
  6. Step 6: Final answer
    x = 79,949.42

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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.