Home / 107,812.80-161,748.36-61,098.48

Finding the Fourth Proportional to 107,812.80, 161,748.36 and 61,098.48

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Solution

The fourth proportional to 107,812.80, 161,748.36 and 61,098.48 is: 91,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812.80 : 161,748.36 = 61,098.48 : x
  2. Step 2: Convert to fraction form
    107,812.80/161,748.36 = 61,098.48/x
  3. Step 3: Cross multiply
    107,812.80x = 161,748.36 × 61,098.48
  4. Step 4: Simplify right side
    107,812.80x = 9,882,578,938.49
  5. Step 5: Solve for x
    x = 9,882,578,938.49/107,812.80
  6. Step 6: Final answer
    x = 91,664.25

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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.