Home / 84,338.78-126,528.91-59,427.48

Finding the Fourth Proportional to 84,338.78, 126,528.91 and 59,427.48

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Solution

The fourth proportional to 84,338.78, 126,528.91 and 59,427.48 is: 89,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,338.78 : 126,528.91 = 59,427.48 : x
  2. Step 2: Convert to fraction form
    84,338.78/126,528.91 = 59,427.48/x
  3. Step 3: Cross multiply
    84,338.78x = 126,528.91 × 59,427.48
  4. Step 4: Simplify right side
    84,338.78x = 7,519,294,268.45
  5. Step 5: Solve for x
    x = 7,519,294,268.45/84,338.78
  6. Step 6: Final answer
    x = 89,155.83

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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.