Home / 58,825.77-81,138.54-38,676.21

Finding the Fourth Proportional to 58,825.77, 81,138.54 and 38,676.21

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Solution

The fourth proportional to 58,825.77, 81,138.54 and 38,676.21 is: 53,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,825.77 : 81,138.54 = 38,676.21 : x
  2. Step 2: Convert to fraction form
    58,825.77/81,138.54 = 38,676.21/x
  3. Step 3: Cross multiply
    58,825.77x = 81,138.54 × 38,676.21
  4. Step 4: Simplify right side
    58,825.77x = 3,138,131,212.13
  5. Step 5: Solve for x
    x = 3,138,131,212.13/58,825.77
  6. Step 6: Final answer
    x = 53,346.20

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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.