Home / 90,365.11-135,594.13-43,033.87

Finding the Fourth Proportional to 90,365.11, 135,594.13 and 43,033.87

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Solution

The fourth proportional to 90,365.11, 135,594.13 and 43,033.87 is: 64,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,365.11 : 135,594.13 = 43,033.87 : x
  2. Step 2: Convert to fraction form
    90,365.11/135,594.13 = 43,033.87/x
  3. Step 3: Cross multiply
    90,365.11x = 135,594.13 × 43,033.87
  4. Step 4: Simplify right side
    90,365.11x = 5,835,140,163.18
  5. Step 5: Solve for x
    x = 5,835,140,163.18/90,365.11
  6. Step 6: Final answer
    x = 64,572.93

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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.