Home / 75,907.81-113,716.82-42,526.90

Finding the Fourth Proportional to 75,907.81, 113,716.82 and 42,526.90

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Solution

The fourth proportional to 75,907.81, 113,716.82 and 42,526.90 is: 63,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,907.81 : 113,716.82 = 42,526.90 : x
  2. Step 2: Convert to fraction form
    75,907.81/113,716.82 = 42,526.90/x
  3. Step 3: Cross multiply
    75,907.81x = 113,716.82 × 42,526.90
  4. Step 4: Simplify right side
    75,907.81x = 4,836,023,832.46
  5. Step 5: Solve for x
    x = 4,836,023,832.46/75,907.81
  6. Step 6: Final answer
    x = 63,709.17

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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.