Home / 70,934.27-97,890.53-40,722.75

Finding the Fourth Proportional to 70,934.27, 97,890.53 and 40,722.75

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Solution

The fourth proportional to 70,934.27, 97,890.53 and 40,722.75 is: 56,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,934.27 : 97,890.53 = 40,722.75 : x
  2. Step 2: Convert to fraction form
    70,934.27/97,890.53 = 40,722.75/x
  3. Step 3: Cross multiply
    70,934.27x = 97,890.53 × 40,722.75
  4. Step 4: Simplify right side
    70,934.27x = 3,986,371,376.94
  5. Step 5: Solve for x
    x = 3,986,371,376.94/70,934.27
  6. Step 6: Final answer
    x = 56,198.11

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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.