Home / 67,847.40-93,627.78-39,551.25

Finding the Fourth Proportional to 67,847.40, 93,627.78 and 39,551.25

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Solution

The fourth proportional to 67,847.40, 93,627.78 and 39,551.25 is: 54,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,847.40 : 93,627.78 = 39,551.25 : x
  2. Step 2: Convert to fraction form
    67,847.40/93,627.78 = 39,551.25/x
  3. Step 3: Cross multiply
    67,847.40x = 93,627.78 × 39,551.25
  4. Step 4: Simplify right side
    67,847.40x = 3,703,095,733.73
  5. Step 5: Solve for x
    x = 3,703,095,733.73/67,847.40
  6. Step 6: Final answer
    x = 54,579.77

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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.