Home / 84,338.87-126,529.07-59,427.56

Finding the Fourth Proportional to 84,338.87, 126,529.07 and 59,427.56

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Solution

The fourth proportional to 84,338.87, 126,529.07 and 59,427.56 is: 89,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,338.87 : 126,529.07 = 59,427.56 : x
  2. Step 2: Convert to fraction form
    84,338.87/126,529.07 = 59,427.56/x
  3. Step 3: Cross multiply
    84,338.87x = 126,529.07 × 59,427.56
  4. Step 4: Simplify right side
    84,338.87x = 7,519,313,899.17
  5. Step 5: Solve for x
    x = 7,519,313,899.17/84,338.87
  6. Step 6: Final answer
    x = 89,155.97

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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.