Home / 89,984.61-124,178.13-49,698.09

Finding the Fourth Proportional to 89,984.61, 124,178.13 and 49,698.09

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Solution

The fourth proportional to 89,984.61, 124,178.13 and 49,698.09 is: 68,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.61 : 124,178.13 = 49,698.09 : x
  2. Step 2: Convert to fraction form
    89,984.61/124,178.13 = 49,698.09/x
  3. Step 3: Cross multiply
    89,984.61x = 124,178.13 × 49,698.09
  4. Step 4: Simplify right side
    89,984.61x = 6,171,415,880.77
  5. Step 5: Solve for x
    x = 6,171,415,880.77/89,984.61
  6. Step 6: Final answer
    x = 68,583.02

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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.