Home / 97,795.20-146,649.60-38,611.20

Finding the Fourth Proportional to 97,795.20, 146,649.60 and 38,611.20

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Solution

The fourth proportional to 97,795.20, 146,649.60 and 38,611.20 is: 57,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,795.20 : 146,649.60 = 38,611.20 : x
  2. Step 2: Convert to fraction form
    97,795.20/146,649.60 = 38,611.20/x
  3. Step 3: Cross multiply
    97,795.20x = 146,649.60 × 38,611.20
  4. Step 4: Simplify right side
    97,795.20x = 5,662,317,035.52
  5. Step 5: Solve for x
    x = 5,662,317,035.52/97,795.20
  6. Step 6: Final answer
    x = 57,899.74

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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.