Home / 123,600.12-170,568.36-67,011.64

Finding the Fourth Proportional to 123,600.12, 170,568.36 and 67,011.64

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Solution

The fourth proportional to 123,600.12, 170,568.36 and 67,011.64 is: 92,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,600.12 : 170,568.36 = 67,011.64 : x
  2. Step 2: Convert to fraction form
    123,600.12/170,568.36 = 67,011.64/x
  3. Step 3: Cross multiply
    123,600.12x = 170,568.36 × 67,011.64
  4. Step 4: Simplify right side
    123,600.12x = 11,430,065,535.71
  5. Step 5: Solve for x
    x = 11,430,065,535.71/123,600.12
  6. Step 6: Final answer
    x = 92,476.17

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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.