Home / 107,637.16-161,233.32-63,129.88

Finding the Fourth Proportional to 107,637.16, 161,233.32 and 63,129.88

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Solution

The fourth proportional to 107,637.16, 161,233.32 and 63,129.88 is: 94,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,637.16 : 161,233.32 = 63,129.88 : x
  2. Step 2: Convert to fraction form
    107,637.16/161,233.32 = 63,129.88/x
  3. Step 3: Cross multiply
    107,637.16x = 161,233.32 × 63,129.88
  4. Step 4: Simplify right side
    107,637.16x = 10,178,640,143.60
  5. Step 5: Solve for x
    x = 10,178,640,143.60/107,637.16
  6. Step 6: Final answer
    x = 94,564.37

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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.