Home / 75,653.39-113,421.61-38,194.18

Finding the Fourth Proportional to 75,653.39, 113,421.61 and 38,194.18

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Solution

The fourth proportional to 75,653.39, 113,421.61 and 38,194.18 is: 57,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,653.39 : 113,421.61 = 38,194.18 : x
  2. Step 2: Convert to fraction form
    75,653.39/113,421.61 = 38,194.18/x
  3. Step 3: Cross multiply
    75,653.39x = 113,421.61 × 38,194.18
  4. Step 4: Simplify right side
    75,653.39x = 4,332,044,630.15
  5. Step 5: Solve for x
    x = 4,332,044,630.15/75,653.39
  6. Step 6: Final answer
    x = 57,261.74

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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.