Home / 90,270.62-124,574.76-49,984.30

Finding the Fourth Proportional to 90,270.62, 124,574.76 and 49,984.30

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Solution

The fourth proportional to 90,270.62, 124,574.76 and 49,984.30 is: 68,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,270.62 : 124,574.76 = 49,984.30 : x
  2. Step 2: Convert to fraction form
    90,270.62/124,574.76 = 49,984.30/x
  3. Step 3: Cross multiply
    90,270.62x = 124,574.76 × 49,984.30
  4. Step 4: Simplify right side
    90,270.62x = 6,226,782,176.27
  5. Step 5: Solve for x
    x = 6,226,782,176.27/90,270.62
  6. Step 6: Final answer
    x = 68,979.06

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1.5x scale

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.