Home / 70,274.08-96,974.88-40,060.80

Finding the Fourth Proportional to 70,274.08, 96,974.88 and 40,060.80

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Solution

The fourth proportional to 70,274.08, 96,974.88 and 40,060.80 is: 55,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,274.08 : 96,974.88 = 40,060.80 : x
  2. Step 2: Convert to fraction form
    70,274.08/96,974.88 = 40,060.80/x
  3. Step 3: Cross multiply
    70,274.08x = 96,974.88 × 40,060.80
  4. Step 4: Simplify right side
    70,274.08x = 3,884,891,272.70
  5. Step 5: Solve for x
    x = 3,884,891,272.70/70,274.08
  6. Step 6: Final answer
    x = 55,281.99

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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.