Home / 97,938.61-146,903.81-31,377.27

Finding the Fourth Proportional to 97,938.61, 146,903.81 and 31,377.27

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Solution

The fourth proportional to 97,938.61, 146,903.81 and 31,377.27 is: 47,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,938.61 : 146,903.81 = 31,377.27 : x
  2. Step 2: Convert to fraction form
    97,938.61/146,903.81 = 31,377.27/x
  3. Step 3: Cross multiply
    97,938.61x = 146,903.81 × 31,377.27
  4. Step 4: Simplify right side
    97,938.61x = 4,609,439,775.88
  5. Step 5: Solve for x
    x = 4,609,439,775.88/97,938.61
  6. Step 6: Final answer
    x = 47,064.58

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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.