Home / 70,529.83-97,331.15-40,315.80

Finding the Fourth Proportional to 70,529.83, 97,331.15 and 40,315.80

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Solution

The fourth proportional to 70,529.83, 97,331.15 and 40,315.80 is: 55,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,529.83 : 97,331.15 = 40,315.80 : x
  2. Step 2: Convert to fraction form
    70,529.83/97,331.15 = 40,315.80/x
  3. Step 3: Cross multiply
    70,529.83x = 97,331.15 × 40,315.80
  4. Step 4: Simplify right side
    70,529.83x = 3,923,982,610.60
  5. Step 5: Solve for x
    x = 3,923,982,610.60/70,529.83
  6. Step 6: Final answer
    x = 55,635.79

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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.