Home / 56,909.61-78,513.17-33,027.57

Finding the Fourth Proportional to 56,909.61, 78,513.17 and 33,027.57

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Solution

The fourth proportional to 56,909.61, 78,513.17 and 33,027.57 is: 45,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.61 : 78,513.17 = 33,027.57 : x
  2. Step 2: Convert to fraction form
    56,909.61/78,513.17 = 33,027.57/x
  3. Step 3: Cross multiply
    56,909.61x = 78,513.17 × 33,027.57
  4. Step 4: Simplify right side
    56,909.61x = 2,593,099,052.96
  5. Step 5: Solve for x
    x = 2,593,099,052.96/56,909.61
  6. Step 6: Final answer
    x = 45,565.22

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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.