Home / 99,268.74-136,996.11-56,833.65

Finding the Fourth Proportional to 99,268.74, 136,996.11 and 56,833.65

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Solution

The fourth proportional to 99,268.74, 136,996.11 and 56,833.65 is: 78,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,268.74 : 136,996.11 = 56,833.65 : x
  2. Step 2: Convert to fraction form
    99,268.74/136,996.11 = 56,833.65/x
  3. Step 3: Cross multiply
    99,268.74x = 136,996.11 × 56,833.65
  4. Step 4: Simplify right side
    99,268.74x = 7,785,988,967.10
  5. Step 5: Solve for x
    x = 7,785,988,967.10/99,268.74
  6. Step 6: Final answer
    x = 78,433.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.