Home / 45,799.60-68,569.80-40,615.60

Finding the Fourth Proportional to 45,799.60, 68,569.80 and 40,615.60

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Solution

The fourth proportional to 45,799.60, 68,569.80 and 40,615.60 is: 60,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,799.60 : 68,569.80 = 40,615.60 : x
  2. Step 2: Convert to fraction form
    45,799.60/68,569.80 = 40,615.60/x
  3. Step 3: Cross multiply
    45,799.60x = 68,569.80 × 40,615.60
  4. Step 4: Simplify right side
    45,799.60x = 2,785,003,568.88
  5. Step 5: Solve for x
    x = 2,785,003,568.88/45,799.60
  6. Step 6: Final answer
    x = 60,808.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.