Home / 99,594.65-137,435.31-57,150.38

Finding the Fourth Proportional to 99,594.65, 137,435.31 and 57,150.38

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Solution

The fourth proportional to 99,594.65, 137,435.31 and 57,150.38 is: 78,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.65 : 137,435.31 = 57,150.38 : x
  2. Step 2: Convert to fraction form
    99,594.65/137,435.31 = 57,150.38/x
  3. Step 3: Cross multiply
    99,594.65x = 137,435.31 × 57,150.38
  4. Step 4: Simplify right side
    99,594.65x = 7,854,479,504.74
  5. Step 5: Solve for x
    x = 7,854,479,504.74/99,594.65
  6. Step 6: Final answer
    x = 78,864.48

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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.