Home / 67,210.17-92,745.27-39,984.75

Finding the Fourth Proportional to 67,210.17, 92,745.27 and 39,984.75

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Solution

The fourth proportional to 67,210.17, 92,745.27 and 39,984.75 is: 55,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.17 : 92,745.27 = 39,984.75 : x
  2. Step 2: Convert to fraction form
    67,210.17/92,745.27 = 39,984.75/x
  3. Step 3: Cross multiply
    67,210.17x = 92,745.27 × 39,984.75
  4. Step 4: Simplify right side
    67,210.17x = 3,708,396,434.63
  5. Step 5: Solve for x
    x = 3,708,396,434.63/67,210.17
  6. Step 6: Final answer
    x = 55,176.12

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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.