Home / 70,529.33-97,330.46-40,315.30

Finding the Fourth Proportional to 70,529.33, 97,330.46 and 40,315.30

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Solution

The fourth proportional to 70,529.33, 97,330.46 and 40,315.30 is: 55,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,529.33 : 97,330.46 = 40,315.30 : x
  2. Step 2: Convert to fraction form
    70,529.33/97,330.46 = 40,315.30/x
  3. Step 3: Cross multiply
    70,529.33x = 97,330.46 × 40,315.30
  4. Step 4: Simplify right side
    70,529.33x = 3,923,906,694.04
  5. Step 5: Solve for x
    x = 3,923,906,694.04/70,529.33
  6. Step 6: Final answer
    x = 55,635.11

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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.