Home / 56,086.80-84,132.36-14,532.72

Finding the Fourth Proportional to 56,086.80, 84,132.36 and 14,532.72

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Solution

The fourth proportional to 56,086.80, 84,132.36 and 14,532.72 is: 21,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,086.80 : 84,132.36 = 14,532.72 : x
  2. Step 2: Convert to fraction form
    56,086.80/84,132.36 = 14,532.72/x
  3. Step 3: Cross multiply
    56,086.80x = 84,132.36 × 14,532.72
  4. Step 4: Simplify right side
    56,086.80x = 1,222,672,030.82
  5. Step 5: Solve for x
    x = 1,222,672,030.82/56,086.80
  6. Step 6: Final answer
    x = 21,799.64

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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.