Home / 107,818.79-161,730.08-35,772.13

Finding the Fourth Proportional to 107,818.79, 161,730.08 and 35,772.13

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Solution

The fourth proportional to 107,818.79, 161,730.08 and 35,772.13 is: 53,658.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,818.79 : 161,730.08 = 35,772.13 : x
  2. Step 2: Convert to fraction form
    107,818.79/161,730.08 = 35,772.13/x
  3. Step 3: Cross multiply
    107,818.79x = 161,730.08 × 35,772.13
  4. Step 4: Simplify right side
    107,818.79x = 5,785,428,459.16
  5. Step 5: Solve for x
    x = 5,785,428,459.16/107,818.79
  6. Step 6: Final answer
    x = 53,658.81

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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.