Home / 69,723.52-96,203.02-39,506.20

Finding the Fourth Proportional to 69,723.52, 96,203.02 and 39,506.20

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Solution

The fourth proportional to 69,723.52, 96,203.02 and 39,506.20 is: 54,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,723.52 : 96,203.02 = 39,506.20 : x
  2. Step 2: Convert to fraction form
    69,723.52/96,203.02 = 39,506.20/x
  3. Step 3: Cross multiply
    69,723.52x = 96,203.02 × 39,506.20
  4. Step 4: Simplify right side
    69,723.52x = 3,800,615,748.72
  5. Step 5: Solve for x
    x = 3,800,615,748.72/69,723.52
  6. Step 6: Final answer
    x = 54,509.81

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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.