Home / 87,475.83-120,774.75-67,297.11

Finding the Fourth Proportional to 87,475.83, 120,774.75 and 67,297.11

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Solution

The fourth proportional to 87,475.83, 120,774.75 and 67,297.11 is: 92,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.83 : 120,774.75 = 67,297.11 : x
  2. Step 2: Convert to fraction form
    87,475.83/120,774.75 = 67,297.11/x
  3. Step 3: Cross multiply
    87,475.83x = 120,774.75 × 67,297.11
  4. Step 4: Simplify right side
    87,475.83x = 8,127,792,215.06
  5. Step 5: Solve for x
    x = 8,127,792,215.06/87,475.83
  6. Step 6: Final answer
    x = 92,914.72

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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.