Home / 68,049.18-93,920.22-39,365.46

Finding the Fourth Proportional to 68,049.18, 93,920.22 and 39,365.46

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Solution

The fourth proportional to 68,049.18, 93,920.22 and 39,365.46 is: 54,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,049.18 : 93,920.22 = 39,365.46 : x
  2. Step 2: Convert to fraction form
    68,049.18/93,920.22 = 39,365.46/x
  3. Step 3: Cross multiply
    68,049.18x = 93,920.22 × 39,365.46
  4. Step 4: Simplify right side
    68,049.18x = 3,697,212,663.60
  5. Step 5: Solve for x
    x = 3,697,212,663.60/68,049.18
  6. Step 6: Final answer
    x = 54,331.48

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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.