Home / 57,346.38-79,110.53-40,360.05

Finding the Fourth Proportional to 57,346.38, 79,110.53 and 40,360.05

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Solution

The fourth proportional to 57,346.38, 79,110.53 and 40,360.05 is: 55,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.38 : 79,110.53 = 40,360.05 : x
  2. Step 2: Convert to fraction form
    57,346.38/79,110.53 = 40,360.05/x
  3. Step 3: Cross multiply
    57,346.38x = 79,110.53 × 40,360.05
  4. Step 4: Simplify right side
    57,346.38x = 3,192,905,047.23
  5. Step 5: Solve for x
    x = 3,192,905,047.23/57,346.38
  6. Step 6: Final answer
    x = 55,677.53

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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.