Home / 70,197.12-105,344.89-40,574.21

Finding the Fourth Proportional to 70,197.12, 105,344.89 and 40,574.21

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Solution

The fourth proportional to 70,197.12, 105,344.89 and 40,574.21 is: 60,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,197.12 : 105,344.89 = 40,574.21 : x
  2. Step 2: Convert to fraction form
    70,197.12/105,344.89 = 40,574.21/x
  3. Step 3: Cross multiply
    70,197.12x = 105,344.89 × 40,574.21
  4. Step 4: Simplify right side
    70,197.12x = 4,274,285,061.13
  5. Step 5: Solve for x
    x = 4,274,285,061.13/70,197.12
  6. Step 6: Final answer
    x = 60,889.75

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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.