Home / 47,266.23-70,874.75-13,981.80

Finding the Fourth Proportional to 47,266.23, 70,874.75 and 13,981.80

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Solution

The fourth proportional to 47,266.23, 70,874.75 and 13,981.80 is: 20,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,266.23 : 70,874.75 = 13,981.80 : x
  2. Step 2: Convert to fraction form
    47,266.23/70,874.75 = 13,981.80/x
  3. Step 3: Cross multiply
    47,266.23x = 70,874.75 × 13,981.80
  4. Step 4: Simplify right side
    47,266.23x = 990,956,701.97
  5. Step 5: Solve for x
    x = 990,956,701.97/47,266.23
  6. Step 6: Final answer
    x = 20,965.43

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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.