Home / 71,226.06-98,287.89-39,392.82

Finding the Fourth Proportional to 71,226.06, 98,287.89 and 39,392.82

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Solution

The fourth proportional to 71,226.06, 98,287.89 and 39,392.82 is: 54,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,226.06 : 98,287.89 = 39,392.82 : x
  2. Step 2: Convert to fraction form
    71,226.06/98,287.89 = 39,392.82/x
  3. Step 3: Cross multiply
    71,226.06x = 98,287.89 × 39,392.82
  4. Step 4: Simplify right side
    71,226.06x = 3,871,837,158.95
  5. Step 5: Solve for x
    x = 3,871,837,158.95/71,226.06
  6. Step 6: Final answer
    x = 54,359.84

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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.