Home / 74,512.19-111,818.48-27,765.06

Finding the Fourth Proportional to 74,512.19, 111,818.48 and 27,765.06

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Solution

The fourth proportional to 74,512.19, 111,818.48 and 27,765.06 is: 41,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,512.19 : 111,818.48 = 27,765.06 : x
  2. Step 2: Convert to fraction form
    74,512.19/111,818.48 = 27,765.06/x
  3. Step 3: Cross multiply
    74,512.19x = 111,818.48 × 27,765.06
  4. Step 4: Simplify right side
    74,512.19x = 3,104,646,667.48
  5. Step 5: Solve for x
    x = 3,104,646,667.48/74,512.19
  6. Step 6: Final answer
    x = 41,666.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.