Home / 91,464.48-126,241.20-57,924

Finding the Fourth Proportional to 91,464.48, 126,241.20 and 57,924

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Solution

The fourth proportional to 91,464.48, 126,241.20 and 57,924 is: 79,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,464.48 : 126,241.20 = 57,924 : x
  2. Step 2: Convert to fraction form
    91,464.48/126,241.20 = 57,924/x
  3. Step 3: Cross multiply
    91,464.48x = 126,241.20 × 57,924
  4. Step 4: Simplify right side
    91,464.48x = 7,312,395,268.80
  5. Step 5: Solve for x
    x = 7,312,395,268.80/91,464.48
  6. Step 6: Final answer
    x = 79,947.92

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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.