Home / 58,557.35-80,809.13-31,699.83

Finding the Fourth Proportional to 58,557.35, 80,809.13 and 31,699.83

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Solution

The fourth proportional to 58,557.35, 80,809.13 and 31,699.83 is: 43,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,557.35 : 80,809.13 = 31,699.83 : x
  2. Step 2: Convert to fraction form
    58,557.35/80,809.13 = 31,699.83/x
  3. Step 3: Cross multiply
    58,557.35x = 80,809.13 × 31,699.83
  4. Step 4: Simplify right side
    58,557.35x = 2,561,636,065.73
  5. Step 5: Solve for x
    x = 2,561,636,065.73/58,557.35
  6. Step 6: Final answer
    x = 43,745.76

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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.