Home / 74,775.56-112,184.53-30,434.13

Finding the Fourth Proportional to 74,775.56, 112,184.53 and 30,434.13

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Solution

The fourth proportional to 74,775.56, 112,184.53 and 30,434.13 is: 45,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,775.56 : 112,184.53 = 30,434.13 : x
  2. Step 2: Convert to fraction form
    74,775.56/112,184.53 = 30,434.13/x
  3. Step 3: Cross multiply
    74,775.56x = 112,184.53 × 30,434.13
  4. Step 4: Simplify right side
    74,775.56x = 3,414,238,493.92
  5. Step 5: Solve for x
    x = 3,414,238,493.92/74,775.56
  6. Step 6: Final answer
    x = 45,659.82

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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.