Home / 90,024-124,233.12-50,280

Finding the Fourth Proportional to 90,024, 124,233.12 and 50,280

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Solution

The fourth proportional to 90,024, 124,233.12 and 50,280 is: 69,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,024 : 124,233.12 = 50,280 : x
  2. Step 2: Convert to fraction form
    90,024/124,233.12 = 50,280/x
  3. Step 3: Cross multiply
    90,024x = 124,233.12 × 50,280
  4. Step 4: Simplify right side
    90,024x = 6,246,441,273.60
  5. Step 5: Solve for x
    x = 6,246,441,273.60/90,024
  6. Step 6: Final answer
    x = 69,386.40

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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.