Home / 97,350.28-145,969.38-38,116.60

Finding the Fourth Proportional to 97,350.28, 145,969.38 and 38,116.60

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Solution

The fourth proportional to 97,350.28, 145,969.38 and 38,116.60 is: 57,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,350.28 : 145,969.38 = 38,116.60 : x
  2. Step 2: Convert to fraction form
    97,350.28/145,969.38 = 38,116.60/x
  3. Step 3: Cross multiply
    97,350.28x = 145,969.38 × 38,116.60
  4. Step 4: Simplify right side
    97,350.28x = 5,563,856,469.71
  5. Step 5: Solve for x
    x = 5,563,856,469.71/97,350.28
  6. Step 6: Final answer
    x = 57,152.96

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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.