Home / 75,530.31-113,217.70-40,460.55

Finding the Fourth Proportional to 75,530.31, 113,217.70 and 40,460.55

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Solution

The fourth proportional to 75,530.31, 113,217.70 and 40,460.55 is: 60,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.31 : 113,217.70 = 40,460.55 : x
  2. Step 2: Convert to fraction form
    75,530.31/113,217.70 = 40,460.55/x
  3. Step 3: Cross multiply
    75,530.31x = 113,217.70 × 40,460.55
  4. Step 4: Simplify right side
    75,530.31x = 4,580,849,744.50
  5. Step 5: Solve for x
    x = 4,580,849,744.50/75,530.31
  6. Step 6: Final answer
    x = 60,649.16

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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.