Home / 107,740.26-148,641.18-62,401.71

Finding the Fourth Proportional to 107,740.26, 148,641.18 and 62,401.71

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Solution

The fourth proportional to 107,740.26, 148,641.18 and 62,401.71 is: 86,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,740.26 : 148,641.18 = 62,401.71 : x
  2. Step 2: Convert to fraction form
    107,740.26/148,641.18 = 62,401.71/x
  3. Step 3: Cross multiply
    107,740.26x = 148,641.18 × 62,401.71
  4. Step 4: Simplify right side
    107,740.26x = 9,275,463,808.42
  5. Step 5: Solve for x
    x = 9,275,463,808.42/107,740.26
  6. Step 6: Final answer
    x = 86,090.97

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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.