Home / 48,701.20-72,994.20-25,315.60

Finding the Fourth Proportional to 48,701.20, 72,994.20 and 25,315.60

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Solution

The fourth proportional to 48,701.20, 72,994.20 and 25,315.60 is: 37,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,701.20 : 72,994.20 = 25,315.60 : x
  2. Step 2: Convert to fraction form
    48,701.20/72,994.20 = 25,315.60/x
  3. Step 3: Cross multiply
    48,701.20x = 72,994.20 × 25,315.60
  4. Step 4: Simplify right side
    48,701.20x = 1,847,891,969.52
  5. Step 5: Solve for x
    x = 1,847,891,969.52/48,701.20
  6. Step 6: Final answer
    x = 37,943.46

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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.