Home / 56,535.20-84,812.40-30,232.80

Finding the Fourth Proportional to 56,535.20, 84,812.40 and 30,232.80

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Solution

The fourth proportional to 56,535.20, 84,812.40 and 30,232.80 is: 45,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,535.20 : 84,812.40 = 30,232.80 : x
  2. Step 2: Convert to fraction form
    56,535.20/84,812.40 = 30,232.80/x
  3. Step 3: Cross multiply
    56,535.20x = 84,812.40 × 30,232.80
  4. Step 4: Simplify right side
    56,535.20x = 2,564,116,326.72
  5. Step 5: Solve for x
    x = 2,564,116,326.72/56,535.20
  6. Step 6: Final answer
    x = 45,354.33

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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.