Home / 58,776.73-81,135.01-39,667.75

Finding the Fourth Proportional to 58,776.73, 81,135.01 and 39,667.75

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Solution

The fourth proportional to 58,776.73, 81,135.01 and 39,667.75 is: 54,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,776.73 : 81,135.01 = 39,667.75 : x
  2. Step 2: Convert to fraction form
    58,776.73/81,135.01 = 39,667.75/x
  3. Step 3: Cross multiply
    58,776.73x = 81,135.01 × 39,667.75
  4. Step 4: Simplify right side
    58,776.73x = 3,218,443,292.93
  5. Step 5: Solve for x
    x = 3,218,443,292.93/58,776.73
  6. Step 6: Final answer
    x = 54,757.10

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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.