Home / 97,716.60-146,509.20-38,521.80

Finding the Fourth Proportional to 97,716.60, 146,509.20 and 38,521.80

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Solution

The fourth proportional to 97,716.60, 146,509.20 and 38,521.80 is: 57,756.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,716.60 : 146,509.20 = 38,521.80 : x
  2. Step 2: Convert to fraction form
    97,716.60/146,509.20 = 38,521.80/x
  3. Step 3: Cross multiply
    97,716.60x = 146,509.20 × 38,521.80
  4. Step 4: Simplify right side
    97,716.60x = 5,643,798,100.56
  5. Step 5: Solve for x
    x = 5,643,798,100.56/97,716.60
  6. Step 6: Final answer
    x = 57,756.80

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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.