Home / 90,270.37-124,574.42-49,984.05

Finding the Fourth Proportional to 90,270.37, 124,574.42 and 49,984.05

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Solution

The fourth proportional to 90,270.37, 124,574.42 and 49,984.05 is: 68,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,270.37 : 124,574.42 = 49,984.05 : x
  2. Step 2: Convert to fraction form
    90,270.37/124,574.42 = 49,984.05/x
  3. Step 3: Cross multiply
    90,270.37x = 124,574.42 × 49,984.05
  4. Step 4: Simplify right side
    90,270.37x = 6,226,733,788.08
  5. Step 5: Solve for x
    x = 6,226,733,788.08/90,270.37
  6. Step 6: Final answer
    x = 68,978.72

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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.