Home / 74,754.04-112,131.06-51,309.40

Finding the Fourth Proportional to 74,754.04, 112,131.06 and 51,309.40

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Solution

The fourth proportional to 74,754.04, 112,131.06 and 51,309.40 is: 76,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754.04 : 112,131.06 = 51,309.40 : x
  2. Step 2: Convert to fraction form
    74,754.04/112,131.06 = 51,309.40/x
  3. Step 3: Cross multiply
    74,754.04x = 112,131.06 × 51,309.40
  4. Step 4: Simplify right side
    74,754.04x = 5,753,377,153.42
  5. Step 5: Solve for x
    x = 5,753,377,153.42/74,754.04
  6. Step 6: Final answer
    x = 76,964.10

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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.