Home / 64,861.56-89,496.30-39,693.24

Finding the Fourth Proportional to 64,861.56, 89,496.30 and 39,693.24

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Solution

The fourth proportional to 64,861.56, 89,496.30 and 39,693.24 is: 54,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,861.56 : 89,496.30 = 39,693.24 : x
  2. Step 2: Convert to fraction form
    64,861.56/89,496.30 = 39,693.24/x
  3. Step 3: Cross multiply
    64,861.56x = 89,496.30 × 39,693.24
  4. Step 4: Simplify right side
    64,861.56x = 3,552,398,115.01
  5. Step 5: Solve for x
    x = 3,552,398,115.01/64,861.56
  6. Step 6: Final answer
    x = 54,768.93

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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.