Home / 90,019.05-135,026.83-26,881.95

Finding the Fourth Proportional to 90,019.05, 135,026.83 and 26,881.95

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Solution

The fourth proportional to 90,019.05, 135,026.83 and 26,881.95 is: 40,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,019.05 : 135,026.83 = 26,881.95 : x
  2. Step 2: Convert to fraction form
    90,019.05/135,026.83 = 26,881.95/x
  3. Step 3: Cross multiply
    90,019.05x = 135,026.83 × 26,881.95
  4. Step 4: Simplify right side
    90,019.05x = 3,629,785,032.67
  5. Step 5: Solve for x
    x = 3,629,785,032.67/90,019.05
  6. Step 6: Final answer
    x = 40,322.41

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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.