Home / 56,345.44-77,760.66-31,196.56

Finding the Fourth Proportional to 56,345.44, 77,760.66 and 31,196.56

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Solution

The fourth proportional to 56,345.44, 77,760.66 and 31,196.56 is: 43,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.44 : 77,760.66 = 31,196.56 : x
  2. Step 2: Convert to fraction form
    56,345.44/77,760.66 = 31,196.56/x
  3. Step 3: Cross multiply
    56,345.44x = 77,760.66 × 31,196.56
  4. Step 4: Simplify right side
    56,345.44x = 2,425,865,095.33
  5. Step 5: Solve for x
    x = 2,425,865,095.33/56,345.44
  6. Step 6: Final answer
    x = 43,053.44

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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.