Home / 101,716.20-152,574.30-31,602.60

Finding the Fourth Proportional to 101,716.20, 152,574.30 and 31,602.60

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Solution

The fourth proportional to 101,716.20, 152,574.30 and 31,602.60 is: 47,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,716.20 : 152,574.30 = 31,602.60 : x
  2. Step 2: Convert to fraction form
    101,716.20/152,574.30 = 31,602.60/x
  3. Step 3: Cross multiply
    101,716.20x = 152,574.30 × 31,602.60
  4. Step 4: Simplify right side
    101,716.20x = 4,821,744,573.18
  5. Step 5: Solve for x
    x = 4,821,744,573.18/101,716.20
  6. Step 6: Final answer
    x = 47,403.90

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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.