Home / 90,565.67-124,984.71-50,280

Finding the Fourth Proportional to 90,565.67, 124,984.71 and 50,280

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Solution

The fourth proportional to 90,565.67, 124,984.71 and 50,280 is: 69,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,565.67 : 124,984.71 = 50,280 : x
  2. Step 2: Convert to fraction form
    90,565.67/124,984.71 = 50,280/x
  3. Step 3: Cross multiply
    90,565.67x = 124,984.71 × 50,280
  4. Step 4: Simplify right side
    90,565.67x = 6,284,231,218.80
  5. Step 5: Solve for x
    x = 6,284,231,218.80/90,565.67
  6. Step 6: Final answer
    x = 69,388.67

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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.