Home / 64,586.13-89,131.50-36,291.75

Finding the Fourth Proportional to 64,586.13, 89,131.50 and 36,291.75

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Solution

The fourth proportional to 64,586.13, 89,131.50 and 36,291.75 is: 50,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586.13 : 89,131.50 = 36,291.75 : x
  2. Step 2: Convert to fraction form
    64,586.13/89,131.50 = 36,291.75/x
  3. Step 3: Cross multiply
    64,586.13x = 89,131.50 × 36,291.75
  4. Step 4: Simplify right side
    64,586.13x = 3,234,738,115.13
  5. Step 5: Solve for x
    x = 3,234,738,115.13/64,586.13
  6. Step 6: Final answer
    x = 50,084.10

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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.