Home / 70,975.17-97,943.99-39,143.43

Finding the Fourth Proportional to 70,975.17, 97,943.99 and 39,143.43

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Solution

The fourth proportional to 70,975.17, 97,943.99 and 39,143.43 is: 54,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.17 : 97,943.99 = 39,143.43 : x
  2. Step 2: Convert to fraction form
    70,975.17/97,943.99 = 39,143.43/x
  3. Step 3: Cross multiply
    70,975.17x = 97,943.99 × 39,143.43
  4. Step 4: Simplify right side
    70,975.17x = 3,833,863,520.77
  5. Step 5: Solve for x
    x = 3,833,863,520.77/70,975.17
  6. Step 6: Final answer
    x = 54,016.97

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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.