Home / 68,118.90-93,993.66-37,903.74

Finding the Fourth Proportional to 68,118.90, 93,993.66 and 37,903.74

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Solution

The fourth proportional to 68,118.90, 93,993.66 and 37,903.74 is: 52,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,118.90 : 93,993.66 = 37,903.74 : x
  2. Step 2: Convert to fraction form
    68,118.90/93,993.66 = 37,903.74/x
  3. Step 3: Cross multiply
    68,118.90x = 93,993.66 × 37,903.74
  4. Step 4: Simplify right side
    68,118.90x = 3,562,711,250.29
  5. Step 5: Solve for x
    x = 3,562,711,250.29/68,118.90
  6. Step 6: Final answer
    x = 52,301.36

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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.