Home / 70,815.21-97,719.03-40,593.61

Finding the Fourth Proportional to 70,815.21, 97,719.03 and 40,593.61

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Solution

The fourth proportional to 70,815.21, 97,719.03 and 40,593.61 is: 56,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.21 : 97,719.03 = 40,593.61 : x
  2. Step 2: Convert to fraction form
    70,815.21/97,719.03 = 40,593.61/x
  3. Step 3: Cross multiply
    70,815.21x = 97,719.03 × 40,593.61
  4. Step 4: Simplify right side
    70,815.21x = 3,966,767,880.05
  5. Step 5: Solve for x
    x = 3,966,767,880.05/70,815.21
  6. Step 6: Final answer
    x = 56,015.76

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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.