Home / 71,515.18-98,709.09-48,863.33

Finding the Fourth Proportional to 71,515.18, 98,709.09 and 48,863.33

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Solution

The fourth proportional to 71,515.18, 98,709.09 and 48,863.33 is: 67,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,515.18 : 98,709.09 = 48,863.33 : x
  2. Step 2: Convert to fraction form
    71,515.18/98,709.09 = 48,863.33/x
  3. Step 3: Cross multiply
    71,515.18x = 98,709.09 × 48,863.33
  4. Step 4: Simplify right side
    71,515.18x = 4,823,254,838.67
  5. Step 5: Solve for x
    x = 4,823,254,838.67/71,515.18
  6. Step 6: Final answer
    x = 67,443.79

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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.