Home / 73,089.59-109,625.27-20,503.17

Finding the Fourth Proportional to 73,089.59, 109,625.27 and 20,503.17

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Solution

The fourth proportional to 73,089.59, 109,625.27 and 20,503.17 is: 30,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,089.59 : 109,625.27 = 20,503.17 : x
  2. Step 2: Convert to fraction form
    73,089.59/109,625.27 = 20,503.17/x
  3. Step 3: Cross multiply
    73,089.59x = 109,625.27 × 20,503.17
  4. Step 4: Simplify right side
    73,089.59x = 2,247,665,444.59
  5. Step 5: Solve for x
    x = 2,247,665,444.59/73,089.59
  6. Step 6: Final answer
    x = 30,752.20

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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.