Home / 58,541.80-80,787.92-31,684.30

Finding the Fourth Proportional to 58,541.80, 80,787.92 and 31,684.30

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Solution

The fourth proportional to 58,541.80, 80,787.92 and 31,684.30 is: 43,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,541.80 : 80,787.92 = 31,684.30 : x
  2. Step 2: Convert to fraction form
    58,541.80/80,787.92 = 31,684.30/x
  3. Step 3: Cross multiply
    58,541.80x = 80,787.92 × 31,684.30
  4. Step 4: Simplify right side
    58,541.80x = 2,559,708,333.26
  5. Step 5: Solve for x
    x = 2,559,708,333.26/58,541.80
  6. Step 6: Final answer
    x = 43,724.46

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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.