Home / 56,770.31-78,343.04-32,910.81

Finding the Fourth Proportional to 56,770.31, 78,343.04 and 32,910.81

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Solution

The fourth proportional to 56,770.31, 78,343.04 and 32,910.81 is: 45,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,770.31 : 78,343.04 = 32,910.81 : x
  2. Step 2: Convert to fraction form
    56,770.31/78,343.04 = 32,910.81/x
  3. Step 3: Cross multiply
    56,770.31x = 78,343.04 × 32,910.81
  4. Step 4: Simplify right side
    56,770.31x = 2,578,332,986.54
  5. Step 5: Solve for x
    x = 2,578,332,986.54/56,770.31
  6. Step 6: Final answer
    x = 45,416.93

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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.