Home / 89,935.64-124,110.49-49,649.45

Finding the Fourth Proportional to 89,935.64, 124,110.49 and 49,649.45

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Solution

The fourth proportional to 89,935.64, 124,110.49 and 49,649.45 is: 68,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.64 : 124,110.49 = 49,649.45 : x
  2. Step 2: Convert to fraction form
    89,935.64/124,110.49 = 49,649.45/x
  3. Step 3: Cross multiply
    89,935.64x = 124,110.49 × 49,649.45
  4. Step 4: Simplify right side
    89,935.64x = 6,162,017,567.73
  5. Step 5: Solve for x
    x = 6,162,017,567.73/89,935.64
  6. Step 6: Final answer
    x = 68,515.86

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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.