Home / 57,079.24-78,750.14-33,186.40

Finding the Fourth Proportional to 57,079.24, 78,750.14 and 33,186.40

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Solution

The fourth proportional to 57,079.24, 78,750.14 and 33,186.40 is: 45,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.24 : 78,750.14 = 33,186.40 : x
  2. Step 2: Convert to fraction form
    57,079.24/78,750.14 = 33,186.40/x
  3. Step 3: Cross multiply
    57,079.24x = 78,750.14 × 33,186.40
  4. Step 4: Simplify right side
    57,079.24x = 2,613,433,646.10
  5. Step 5: Solve for x
    x = 2,613,433,646.10/57,079.24
  6. Step 6: Final answer
    x = 45,786.06

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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.