Home / 56,105.15-77,441.20-33,156.23

Finding the Fourth Proportional to 56,105.15, 77,441.20 and 33,156.23

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Solution

The fourth proportional to 56,105.15, 77,441.20 and 33,156.23 is: 45,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,105.15 : 77,441.20 = 33,156.23 : x
  2. Step 2: Convert to fraction form
    56,105.15/77,441.20 = 33,156.23/x
  3. Step 3: Cross multiply
    56,105.15x = 77,441.20 × 33,156.23
  4. Step 4: Simplify right side
    56,105.15x = 2,567,657,768.58
  5. Step 5: Solve for x
    x = 2,567,657,768.58/56,105.15
  6. Step 6: Final answer
    x = 45,765.10

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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.