Home / 65,178.39-89,925.21-36,493.83

Finding the Fourth Proportional to 65,178.39, 89,925.21 and 36,493.83

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Solution

The fourth proportional to 65,178.39, 89,925.21 and 36,493.83 is: 50,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,178.39 : 89,925.21 = 36,493.83 : x
  2. Step 2: Convert to fraction form
    65,178.39/89,925.21 = 36,493.83/x
  3. Step 3: Cross multiply
    65,178.39x = 89,925.21 × 36,493.83
  4. Step 4: Simplify right side
    65,178.39x = 3,281,715,326.45
  5. Step 5: Solve for x
    x = 3,281,715,326.45/65,178.39
  6. Step 6: Final answer
    x = 50,349.75

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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.