Home / 67,259.78-92,829.39-38,981.84

Finding the Fourth Proportional to 67,259.78, 92,829.39 and 38,981.84

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Solution

The fourth proportional to 67,259.78, 92,829.39 and 38,981.84 is: 53,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,259.78 : 92,829.39 = 38,981.84 : x
  2. Step 2: Convert to fraction form
    67,259.78/92,829.39 = 38,981.84/x
  3. Step 3: Cross multiply
    67,259.78x = 92,829.39 × 38,981.84
  4. Step 4: Simplify right side
    67,259.78x = 3,618,660,428.28
  5. Step 5: Solve for x
    x = 3,618,660,428.28/67,259.78
  6. Step 6: Final answer
    x = 53,801.25

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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.