Home / 56,666.82-78,200.22-31,173.54

Finding the Fourth Proportional to 56,666.82, 78,200.22 and 31,173.54

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Solution

The fourth proportional to 56,666.82, 78,200.22 and 31,173.54 is: 43,019.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,666.82 : 78,200.22 = 31,173.54 : x
  2. Step 2: Convert to fraction form
    56,666.82/78,200.22 = 31,173.54/x
  3. Step 3: Cross multiply
    56,666.82x = 78,200.22 × 31,173.54
  4. Step 4: Simplify right side
    56,666.82x = 2,437,777,686.18
  5. Step 5: Solve for x
    x = 2,437,777,686.18/56,666.82
  6. Step 6: Final answer
    x = 43,019.49

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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.