Home / 57,848.80-86,773.20-31,604.80

Finding the Fourth Proportional to 57,848.80, 86,773.20 and 31,604.80

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Solution

The fourth proportional to 57,848.80, 86,773.20 and 31,604.80 is: 47,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,848.80 : 86,773.20 = 31,604.80 : x
  2. Step 2: Convert to fraction form
    57,848.80/86,773.20 = 31,604.80/x
  3. Step 3: Cross multiply
    57,848.80x = 86,773.20 × 31,604.80
  4. Step 4: Simplify right side
    57,848.80x = 2,742,449,631.36
  5. Step 5: Solve for x
    x = 2,742,449,631.36/57,848.80
  6. Step 6: Final answer
    x = 47,407.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.