Home / 58,557.78-80,809.06-31,699.70

Finding the Fourth Proportional to 58,557.78, 80,809.06 and 31,699.70

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Solution

The fourth proportional to 58,557.78, 80,809.06 and 31,699.70 is: 43,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,557.78 : 80,809.06 = 31,699.70 : x
  2. Step 2: Convert to fraction form
    58,557.78/80,809.06 = 31,699.70/x
  3. Step 3: Cross multiply
    58,557.78x = 80,809.06 × 31,699.70
  4. Step 4: Simplify right side
    58,557.78x = 2,561,622,396.74
  5. Step 5: Solve for x
    x = 2,561,622,396.74/58,557.78
  6. Step 6: Final answer
    x = 43,745.21

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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.