Home / 75,849.38-113,681.84-53,669.16

Finding the Fourth Proportional to 75,849.38, 113,681.84 and 53,669.16

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Solution

The fourth proportional to 75,849.38, 113,681.84 and 53,669.16 is: 80,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,849.38 : 113,681.84 = 53,669.16 : x
  2. Step 2: Convert to fraction form
    75,849.38/113,681.84 = 53,669.16/x
  3. Step 3: Cross multiply
    75,849.38x = 113,681.84 × 53,669.16
  4. Step 4: Simplify right side
    75,849.38x = 6,101,208,860.05
  5. Step 5: Solve for x
    x = 6,101,208,860.05/75,849.38
  6. Step 6: Final answer
    x = 80,438.48

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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.