Home / 58,577.48-80,836.78-31,719.99

Finding the Fourth Proportional to 58,577.48, 80,836.78 and 31,719.99

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Solution

The fourth proportional to 58,577.48, 80,836.78 and 31,719.99 is: 43,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,577.48 : 80,836.78 = 31,719.99 : x
  2. Step 2: Convert to fraction form
    58,577.48/80,836.78 = 31,719.99/x
  3. Step 3: Cross multiply
    58,577.48x = 80,836.78 × 31,719.99
  4. Step 4: Simplify right side
    58,577.48x = 2,564,141,611.49
  5. Step 5: Solve for x
    x = 2,564,141,611.49/58,577.48
  6. Step 6: Final answer
    x = 43,773.50

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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.