Home / 64,540.58-89,050.29-37,667.78

Finding the Fourth Proportional to 64,540.58, 89,050.29 and 37,667.78

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Solution

The fourth proportional to 64,540.58, 89,050.29 and 37,667.78 is: 51,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,540.58 : 89,050.29 = 37,667.78 : x
  2. Step 2: Convert to fraction form
    64,540.58/89,050.29 = 37,667.78/x
  3. Step 3: Cross multiply
    64,540.58x = 89,050.29 × 37,667.78
  4. Step 4: Simplify right side
    64,540.58x = 3,354,326,732.66
  5. Step 5: Solve for x
    x = 3,354,326,732.66/64,540.58
  6. Step 6: Final answer
    x = 51,972.37

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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.