Home / 99,295.12-137,058.61-63,485.27

Finding the Fourth Proportional to 99,295.12, 137,058.61 and 63,485.27

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Solution

The fourth proportional to 99,295.12, 137,058.61 and 63,485.27 is: 87,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,295.12 : 137,058.61 = 63,485.27 : x
  2. Step 2: Convert to fraction form
    99,295.12/137,058.61 = 63,485.27/x
  3. Step 3: Cross multiply
    99,295.12x = 137,058.61 × 63,485.27
  4. Step 4: Simplify right side
    99,295.12x = 8,701,202,472.12
  5. Step 5: Solve for x
    x = 8,701,202,472.12/99,295.12
  6. Step 6: Final answer
    x = 87,629.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.