Home / 55,043.66-75,979.63-32,687.50

Finding the Fourth Proportional to 55,043.66, 75,979.63 and 32,687.50

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Solution

The fourth proportional to 55,043.66, 75,979.63 and 32,687.50 is: 45,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043.66 : 75,979.63 = 32,687.50 : x
  2. Step 2: Convert to fraction form
    55,043.66/75,979.63 = 32,687.50/x
  3. Step 3: Cross multiply
    55,043.66x = 75,979.63 × 32,687.50
  4. Step 4: Simplify right side
    55,043.66x = 2,483,584,155.63
  5. Step 5: Solve for x
    x = 2,483,584,155.63/55,043.66
  6. Step 6: Final answer
    x = 45,120.26

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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.