Home / 76,637.36-105,699.51-52,452.65

Finding the Fourth Proportional to 76,637.36, 105,699.51 and 52,452.65

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Solution

The fourth proportional to 76,637.36, 105,699.51 and 52,452.65 is: 72,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,637.36 : 105,699.51 = 52,452.65 : x
  2. Step 2: Convert to fraction form
    76,637.36/105,699.51 = 52,452.65/x
  3. Step 3: Cross multiply
    76,637.36x = 105,699.51 × 52,452.65
  4. Step 4: Simplify right side
    76,637.36x = 5,544,218,874.70
  5. Step 5: Solve for x
    x = 5,544,218,874.70/76,637.36
  6. Step 6: Final answer
    x = 72,343.56

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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.