Home / 75,465.46-113,148.51-42,189.04

Finding the Fourth Proportional to 75,465.46, 113,148.51 and 42,189.04

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Solution

The fourth proportional to 75,465.46, 113,148.51 and 42,189.04 is: 63,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.46 : 113,148.51 = 42,189.04 : x
  2. Step 2: Convert to fraction form
    75,465.46/113,148.51 = 42,189.04/x
  3. Step 3: Cross multiply
    75,465.46x = 113,148.51 × 42,189.04
  4. Step 4: Simplify right side
    75,465.46x = 4,773,627,014.33
  5. Step 5: Solve for x
    x = 4,773,627,014.33/75,465.46
  6. Step 6: Final answer
    x = 63,255.79

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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.