Home / 59,919.80-89,976.90-43,395.80

Finding the Fourth Proportional to 59,919.80, 89,976.90 and 43,395.80

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Solution

The fourth proportional to 59,919.80, 89,976.90 and 43,395.80 is: 65,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,919.80 : 89,976.90 = 43,395.80 : x
  2. Step 2: Convert to fraction form
    59,919.80/89,976.90 = 43,395.80/x
  3. Step 3: Cross multiply
    59,919.80x = 89,976.90 × 43,395.80
  4. Step 4: Simplify right side
    59,919.80x = 3,904,619,557.02
  5. Step 5: Solve for x
    x = 3,904,619,557.02/59,919.80
  6. Step 6: Final answer
    x = 65,164.10

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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.