Home / 89,971.24-124,158.88-49,684

Finding the Fourth Proportional to 89,971.24, 124,158.88 and 49,684

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Solution

The fourth proportional to 89,971.24, 124,158.88 and 49,684 is: 68,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,971.24 : 124,158.88 = 49,684 : x
  2. Step 2: Convert to fraction form
    89,971.24/124,158.88 = 49,684/x
  3. Step 3: Cross multiply
    89,971.24x = 124,158.88 × 49,684
  4. Step 4: Simplify right side
    89,971.24x = 6,168,709,793.92
  5. Step 5: Solve for x
    x = 6,168,709,793.92/89,971.24
  6. Step 6: Final answer
    x = 68,563.13

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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.