Home / 42,102.07-58,110.60-27,764.48

Finding the Fourth Proportional to 42,102.07, 58,110.60 and 27,764.48

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Solution

The fourth proportional to 42,102.07, 58,110.60 and 27,764.48 is: 38,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,102.07 : 58,110.60 = 27,764.48 : x
  2. Step 2: Convert to fraction form
    42,102.07/58,110.60 = 27,764.48/x
  3. Step 3: Cross multiply
    42,102.07x = 58,110.60 × 27,764.48
  4. Step 4: Simplify right side
    42,102.07x = 1,613,410,300.94
  5. Step 5: Solve for x
    x = 1,613,410,300.94/42,102.07
  6. Step 6: Final answer
    x = 38,321.40

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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.