Home / 75,576.39-113,377.47-31,178.85

Finding the Fourth Proportional to 75,576.39, 113,377.47 and 31,178.85

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Solution

The fourth proportional to 75,576.39, 113,377.47 and 31,178.85 is: 46,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,576.39 : 113,377.47 = 31,178.85 : x
  2. Step 2: Convert to fraction form
    75,576.39/113,377.47 = 31,178.85/x
  3. Step 3: Cross multiply
    75,576.39x = 113,377.47 × 31,178.85
  4. Step 4: Simplify right side
    75,576.39x = 3,534,979,130.51
  5. Step 5: Solve for x
    x = 3,534,979,130.51/75,576.39
  6. Step 6: Final answer
    x = 46,773.59

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1.5x scale

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.