Home / 75,692.35-113,006.30-57,829.42

Finding the Fourth Proportional to 75,692.35, 113,006.30 and 57,829.42

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Solution

The fourth proportional to 75,692.35, 113,006.30 and 57,829.42 is: 86,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692.35 : 113,006.30 = 57,829.42 : x
  2. Step 2: Convert to fraction form
    75,692.35/113,006.30 = 57,829.42/x
  3. Step 3: Cross multiply
    75,692.35x = 113,006.30 × 57,829.42
  4. Step 4: Simplify right side
    75,692.35x = 6,535,088,785.35
  5. Step 5: Solve for x
    x = 6,535,088,785.35/75,692.35
  6. Step 6: Final answer
    x = 86,337.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.