Home / 91,933.53-126,880.11-51,647.28

Finding the Fourth Proportional to 91,933.53, 126,880.11 and 51,647.28

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Solution

The fourth proportional to 91,933.53, 126,880.11 and 51,647.28 is: 71,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,933.53 : 126,880.11 = 51,647.28 : x
  2. Step 2: Convert to fraction form
    91,933.53/126,880.11 = 51,647.28/x
  3. Step 3: Cross multiply
    91,933.53x = 126,880.11 × 51,647.28
  4. Step 4: Simplify right side
    91,933.53x = 6,553,012,567.60
  5. Step 5: Solve for x
    x = 6,553,012,567.60/91,933.53
  6. Step 6: Final answer
    x = 71,279.90

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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.