Home / 97,249.85-134,153.37-66,983.12

Finding the Fourth Proportional to 97,249.85, 134,153.37 and 66,983.12

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Solution

The fourth proportional to 97,249.85, 134,153.37 and 66,983.12 is: 92,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,249.85 : 134,153.37 = 66,983.12 : x
  2. Step 2: Convert to fraction form
    97,249.85/134,153.37 = 66,983.12/x
  3. Step 3: Cross multiply
    97,249.85x = 134,153.37 × 66,983.12
  4. Step 4: Simplify right side
    97,249.85x = 8,986,011,281.11
  5. Step 5: Solve for x
    x = 8,986,011,281.11/97,249.85
  6. Step 6: Final answer
    x = 92,401.29

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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.