Home / 75,567.12-113,302.08-36,123.36

Finding the Fourth Proportional to 75,567.12, 113,302.08 and 36,123.36

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Solution

The fourth proportional to 75,567.12, 113,302.08 and 36,123.36 is: 54,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,567.12 : 113,302.08 = 36,123.36 : x
  2. Step 2: Convert to fraction form
    75,567.12/113,302.08 = 36,123.36/x
  3. Step 3: Cross multiply
    75,567.12x = 113,302.08 × 36,123.36
  4. Step 4: Simplify right side
    75,567.12x = 4,092,851,824.59
  5. Step 5: Solve for x
    x = 4,092,851,824.59/75,567.12
  6. Step 6: Final answer
    x = 54,161.81

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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.