Home / 89,935.37-124,110.99-49,649.19

Finding the Fourth Proportional to 89,935.37, 124,110.99 and 49,649.19

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Solution

The fourth proportional to 89,935.37, 124,110.99 and 49,649.19 is: 68,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.37 : 124,110.99 = 49,649.19 : x
  2. Step 2: Convert to fraction form
    89,935.37/124,110.99 = 49,649.19/x
  3. Step 3: Cross multiply
    89,935.37x = 124,110.99 × 49,649.19
  4. Step 4: Simplify right side
    89,935.37x = 6,162,009,503.04
  5. Step 5: Solve for x
    x = 6,162,009,503.04/89,935.37
  6. Step 6: Final answer
    x = 68,515.98

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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.