Home / 75,613.40-113,415.30-25,693.40

Finding the Fourth Proportional to 75,613.40, 113,415.30 and 25,693.40

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Solution

The fourth proportional to 75,613.40, 113,415.30 and 25,693.40 is: 38,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613.40 : 113,415.30 = 25,693.40 : x
  2. Step 2: Convert to fraction form
    75,613.40/113,415.30 = 25,693.40/x
  3. Step 3: Cross multiply
    75,613.40x = 113,415.30 × 25,693.40
  4. Step 4: Simplify right side
    75,613.40x = 2,914,024,669.02
  5. Step 5: Solve for x
    x = 2,914,024,669.02/75,613.40
  6. Step 6: Final answer
    x = 38,538.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.