Home / 89,973.63-124,163.82-49,686.66

Finding the Fourth Proportional to 89,973.63, 124,163.82 and 49,686.66

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Solution

The fourth proportional to 89,973.63, 124,163.82 and 49,686.66 is: 68,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.63 : 124,163.82 = 49,686.66 : x
  2. Step 2: Convert to fraction form
    89,973.63/124,163.82 = 49,686.66/x
  3. Step 3: Cross multiply
    89,973.63x = 124,163.82 × 49,686.66
  4. Step 4: Simplify right side
    89,973.63x = 6,169,285,508.64
  5. Step 5: Solve for x
    x = 6,169,285,508.64/89,973.63
  6. Step 6: Final answer
    x = 68,567.71

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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.