Home / 70,219.17-96,895.50-40,002.69

Finding the Fourth Proportional to 70,219.17, 96,895.50 and 40,002.69

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Solution

The fourth proportional to 70,219.17, 96,895.50 and 40,002.69 is: 55,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,219.17 : 96,895.50 = 40,002.69 : x
  2. Step 2: Convert to fraction form
    70,219.17/96,895.50 = 40,002.69/x
  3. Step 3: Cross multiply
    70,219.17x = 96,895.50 × 40,002.69
  4. Step 4: Simplify right side
    70,219.17x = 3,876,080,648.90
  5. Step 5: Solve for x
    x = 3,876,080,648.90/70,219.17
  6. Step 6: Final answer
    x = 55,199.75

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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.