Home / 56,767.50-85,163.40-19,330.92

Finding the Fourth Proportional to 56,767.50, 85,163.40 and 19,330.92

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Solution

The fourth proportional to 56,767.50, 85,163.40 and 19,330.92 is: 29,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,767.50 : 85,163.40 = 19,330.92 : x
  2. Step 2: Convert to fraction form
    56,767.50/85,163.40 = 19,330.92/x
  3. Step 3: Cross multiply
    56,767.50x = 85,163.40 × 19,330.92
  4. Step 4: Simplify right side
    56,767.50x = 1,646,286,872.33
  5. Step 5: Solve for x
    x = 1,646,286,872.33/56,767.50
  6. Step 6: Final answer
    x = 29,000.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.