Home / 85,307.24-117,722.76-49,503.26

Finding the Fourth Proportional to 85,307.24, 117,722.76 and 49,503.26

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Solution

The fourth proportional to 85,307.24, 117,722.76 and 49,503.26 is: 68,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,307.24 : 117,722.76 = 49,503.26 : x
  2. Step 2: Convert to fraction form
    85,307.24/117,722.76 = 49,503.26/x
  3. Step 3: Cross multiply
    85,307.24x = 117,722.76 × 49,503.26
  4. Step 4: Simplify right side
    85,307.24x = 5,827,660,396.20
  5. Step 5: Solve for x
    x = 5,827,660,396.20/85,307.24
  6. Step 6: Final answer
    x = 68,313.78

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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.