Home / 89,935.81-124,111.59-49,649.62

Finding the Fourth Proportional to 89,935.81, 124,111.59 and 49,649.62

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Solution

The fourth proportional to 89,935.81, 124,111.59 and 49,649.62 is: 68,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.81 : 124,111.59 = 49,649.62 : x
  2. Step 2: Convert to fraction form
    89,935.81/124,111.59 = 49,649.62/x
  3. Step 3: Cross multiply
    89,935.81x = 124,111.59 × 49,649.62
  4. Step 4: Simplify right side
    89,935.81x = 6,162,093,281.10
  5. Step 5: Solve for x
    x = 6,162,093,281.10/89,935.81
  6. Step 6: Final answer
    x = 68,516.57

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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.