Home / 51,768.01-71,263.55-38,313.91

Finding the Fourth Proportional to 51,768.01, 71,263.55 and 38,313.91

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Solution

The fourth proportional to 51,768.01, 71,263.55 and 38,313.91 is: 52,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.01 : 71,263.55 = 38,313.91 : x
  2. Step 2: Convert to fraction form
    51,768.01/71,263.55 = 38,313.91/x
  3. Step 3: Cross multiply
    51,768.01x = 71,263.55 × 38,313.91
  4. Step 4: Simplify right side
    51,768.01x = 2,730,384,693.09
  5. Step 5: Solve for x
    x = 2,730,384,693.09/51,768.01
  6. Step 6: Final answer
    x = 52,742.71

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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.