Home / 72,712.98-109,087.02-25,321.14

Finding the Fourth Proportional to 72,712.98, 109,087.02 and 25,321.14

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Solution

The fourth proportional to 72,712.98, 109,087.02 and 25,321.14 is: 37,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,712.98 : 109,087.02 = 25,321.14 : x
  2. Step 2: Convert to fraction form
    72,712.98/109,087.02 = 25,321.14/x
  3. Step 3: Cross multiply
    72,712.98x = 109,087.02 × 25,321.14
  4. Step 4: Simplify right side
    72,712.98x = 2,762,207,705.60
  5. Step 5: Solve for x
    x = 2,762,207,705.60/72,712.98
  6. Step 6: Final answer
    x = 37,987.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.