Home / 70,334.42-105,501.65-30,891.87

Finding the Fourth Proportional to 70,334.42, 105,501.65 and 30,891.87

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Solution

The fourth proportional to 70,334.42, 105,501.65 and 30,891.87 is: 46,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334.42 : 105,501.65 = 30,891.87 : x
  2. Step 2: Convert to fraction form
    70,334.42/105,501.65 = 30,891.87/x
  3. Step 3: Cross multiply
    70,334.42x = 105,501.65 × 30,891.87
  4. Step 4: Simplify right side
    70,334.42x = 3,259,143,102.13
  5. Step 5: Solve for x
    x = 3,259,143,102.13/70,334.42
  6. Step 6: Final answer
    x = 46,337.81

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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.