Home / 62,078.82-85,667.13-33,783.90

Finding the Fourth Proportional to 62,078.82, 85,667.13 and 33,783.90

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Solution

The fourth proportional to 62,078.82, 85,667.13 and 33,783.90 is: 46,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,078.82 : 85,667.13 = 33,783.90 : x
  2. Step 2: Convert to fraction form
    62,078.82/85,667.13 = 33,783.90/x
  3. Step 3: Cross multiply
    62,078.82x = 85,667.13 × 33,783.90
  4. Step 4: Simplify right side
    62,078.82x = 2,894,169,753.21
  5. Step 5: Solve for x
    x = 2,894,169,753.21/62,078.82
  6. Step 6: Final answer
    x = 46,620.89

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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.