Home / 75,329.42-113,030.98-30,348.90

Finding the Fourth Proportional to 75,329.42, 113,030.98 and 30,348.90

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Solution

The fourth proportional to 75,329.42, 113,030.98 and 30,348.90 is: 45,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.42 : 113,030.98 = 30,348.90 : x
  2. Step 2: Convert to fraction form
    75,329.42/113,030.98 = 30,348.90/x
  3. Step 3: Cross multiply
    75,329.42x = 113,030.98 × 30,348.90
  4. Step 4: Simplify right side
    75,329.42x = 3,430,365,833.05
  5. Step 5: Solve for x
    x = 3,430,365,833.05/75,329.42
  6. Step 6: Final answer
    x = 45,538.20

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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.