Home / 69,771.11-96,281.19-39,558.46

Finding the Fourth Proportional to 69,771.11, 96,281.19 and 39,558.46

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Solution

The fourth proportional to 69,771.11, 96,281.19 and 39,558.46 is: 54,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,771.11 : 96,281.19 = 39,558.46 : x
  2. Step 2: Convert to fraction form
    69,771.11/96,281.19 = 39,558.46/x
  3. Step 3: Cross multiply
    69,771.11x = 96,281.19 × 39,558.46
  4. Step 4: Simplify right side
    69,771.11x = 3,808,735,543.19
  5. Step 5: Solve for x
    x = 3,808,735,543.19/69,771.11
  6. Step 6: Final answer
    x = 54,589.01

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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.