Home / 56,586.78-78,092.22-31,436.28

Finding the Fourth Proportional to 56,586.78, 78,092.22 and 31,436.28

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Solution

The fourth proportional to 56,586.78, 78,092.22 and 31,436.28 is: 43,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.78 : 78,092.22 = 31,436.28 : x
  2. Step 2: Convert to fraction form
    56,586.78/78,092.22 = 31,436.28/x
  3. Step 3: Cross multiply
    56,586.78x = 78,092.22 × 31,436.28
  4. Step 4: Simplify right side
    56,586.78x = 2,454,928,893.74
  5. Step 5: Solve for x
    x = 2,454,928,893.74/56,586.78
  6. Step 6: Final answer
    x = 43,383.44

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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.