Home / 89,913.71-124,072.09-49,624.89

Finding the Fourth Proportional to 89,913.71, 124,072.09 and 49,624.89

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Solution

The fourth proportional to 89,913.71, 124,072.09 and 49,624.89 is: 68,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,913.71 : 124,072.09 = 49,624.89 : x
  2. Step 2: Convert to fraction form
    89,913.71/124,072.09 = 49,624.89/x
  3. Step 3: Cross multiply
    89,913.71x = 124,072.09 × 49,624.89
  4. Step 4: Simplify right side
    89,913.71x = 6,157,063,228.99
  5. Step 5: Solve for x
    x = 6,157,063,228.99/89,913.71
  6. Step 6: Final answer
    x = 68,477.47

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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.