Home / 97,730.70-146,644.65-38,568.30

Finding the Fourth Proportional to 97,730.70, 146,644.65 and 38,568.30

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Solution

The fourth proportional to 97,730.70, 146,644.65 and 38,568.30 is: 57,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.70 : 146,644.65 = 38,568.30 : x
  2. Step 2: Convert to fraction form
    97,730.70/146,644.65 = 38,568.30/x
  3. Step 3: Cross multiply
    97,730.70x = 146,644.65 × 38,568.30
  4. Step 4: Simplify right side
    97,730.70x = 5,655,834,854.60
  5. Step 5: Solve for x
    x = 5,655,834,854.60/97,730.70
  6. Step 6: Final answer
    x = 57,871.63

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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.