Home / 85,113.92-127,551.36-67,266.12

Finding the Fourth Proportional to 85,113.92, 127,551.36 and 67,266.12

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Solution

The fourth proportional to 85,113.92, 127,551.36 and 67,266.12 is: 100,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,113.92 : 127,551.36 = 67,266.12 : x
  2. Step 2: Convert to fraction form
    85,113.92/127,551.36 = 67,266.12/x
  3. Step 3: Cross multiply
    85,113.92x = 127,551.36 × 67,266.12
  4. Step 4: Simplify right side
    85,113.92x = 8,579,885,087.92
  5. Step 5: Solve for x
    x = 8,579,885,087.92/85,113.92
  6. Step 6: Final answer
    x = 100,804.72

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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.