Home / 90,287.04-124,590.78-49,998.54

Finding the Fourth Proportional to 90,287.04, 124,590.78 and 49,998.54

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Solution

The fourth proportional to 90,287.04, 124,590.78 and 49,998.54 is: 68,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287.04 : 124,590.78 = 49,998.54 : x
  2. Step 2: Convert to fraction form
    90,287.04/124,590.78 = 49,998.54/x
  3. Step 3: Cross multiply
    90,287.04x = 124,590.78 × 49,998.54
  4. Step 4: Simplify right side
    90,287.04x = 6,229,357,097.46
  5. Step 5: Solve for x
    x = 6,229,357,097.46/90,287.04
  6. Step 6: Final answer
    x = 68,995.03

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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.