Home / 74,857.16-112,320.81-32,731.83

Finding the Fourth Proportional to 74,857.16, 112,320.81 and 32,731.83

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Solution

The fourth proportional to 74,857.16, 112,320.81 and 32,731.83 is: 49,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,857.16 : 112,320.81 = 32,731.83 : x
  2. Step 2: Convert to fraction form
    74,857.16/112,320.81 = 32,731.83/x
  3. Step 3: Cross multiply
    74,857.16x = 112,320.81 × 32,731.83
  4. Step 4: Simplify right side
    74,857.16x = 3,676,465,658.38
  5. Step 5: Solve for x
    x = 3,676,465,658.38/74,857.16
  6. Step 6: Final answer
    x = 49,113.08

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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.