Home / 65,187.06-89,950.70-36,502.73

Finding the Fourth Proportional to 65,187.06, 89,950.70 and 36,502.73

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Solution

The fourth proportional to 65,187.06, 89,950.70 and 36,502.73 is: 50,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,187.06 : 89,950.70 = 36,502.73 : x
  2. Step 2: Convert to fraction form
    65,187.06/89,950.70 = 36,502.73/x
  3. Step 3: Cross multiply
    65,187.06x = 89,950.70 × 36,502.73
  4. Step 4: Simplify right side
    65,187.06x = 3,283,446,115.41
  5. Step 5: Solve for x
    x = 3,283,446,115.41/65,187.06
  6. Step 6: Final answer
    x = 50,369.60

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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.