Home / 75,639.42-113,529.18-38,225.82

Finding the Fourth Proportional to 75,639.42, 113,529.18 and 38,225.82

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Solution

The fourth proportional to 75,639.42, 113,529.18 and 38,225.82 is: 57,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,639.42 : 113,529.18 = 38,225.82 : x
  2. Step 2: Convert to fraction form
    75,639.42/113,529.18 = 38,225.82/x
  3. Step 3: Cross multiply
    75,639.42x = 113,529.18 × 38,225.82
  4. Step 4: Simplify right side
    75,639.42x = 4,339,745,999.43
  5. Step 5: Solve for x
    x = 4,339,745,999.43/75,639.42
  6. Step 6: Final answer
    x = 57,374.13

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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.