Home / 69,347.01-95,697.94-38,720.58

Finding the Fourth Proportional to 69,347.01, 95,697.94 and 38,720.58

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Solution

The fourth proportional to 69,347.01, 95,697.94 and 38,720.58 is: 53,433.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,347.01 : 95,697.94 = 38,720.58 : x
  2. Step 2: Convert to fraction form
    69,347.01/95,697.94 = 38,720.58/x
  3. Step 3: Cross multiply
    69,347.01x = 95,697.94 × 38,720.58
  4. Step 4: Simplify right side
    69,347.01x = 3,705,479,741.61
  5. Step 5: Solve for x
    x = 3,705,479,741.61/69,347.01
  6. Step 6: Final answer
    x = 53,433.88

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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.