Home / 56,520.05-78,008.99-33,872.45

Finding the Fourth Proportional to 56,520.05, 78,008.99 and 33,872.45

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Solution

The fourth proportional to 56,520.05, 78,008.99 and 33,872.45 is: 46,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,520.05 : 78,008.99 = 33,872.45 : x
  2. Step 2: Convert to fraction form
    56,520.05/78,008.99 = 33,872.45/x
  3. Step 3: Cross multiply
    56,520.05x = 78,008.99 × 33,872.45
  4. Step 4: Simplify right side
    56,520.05x = 2,642,355,053.92
  5. Step 5: Solve for x
    x = 2,642,355,053.92/56,520.05
  6. Step 6: Final answer
    x = 46,750.76

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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.