Home / 75,526.39-113,043.16-55,530.58

Finding the Fourth Proportional to 75,526.39, 113,043.16 and 55,530.58

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Solution

The fourth proportional to 75,526.39, 113,043.16 and 55,530.58 is: 83,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,526.39 : 113,043.16 = 55,530.58 : x
  2. Step 2: Convert to fraction form
    75,526.39/113,043.16 = 55,530.58/x
  3. Step 3: Cross multiply
    75,526.39x = 113,043.16 × 55,530.58
  4. Step 4: Simplify right side
    75,526.39x = 6,277,351,535.79
  5. Step 5: Solve for x
    x = 6,277,351,535.79/75,526.39
  6. Step 6: Final answer
    x = 83,114.68

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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.