Home / 58,039.38-86,907.87-31,690.08

Finding the Fourth Proportional to 58,039.38, 86,907.87 and 31,690.08

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Solution

The fourth proportional to 58,039.38, 86,907.87 and 31,690.08 is: 47,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,039.38 : 86,907.87 = 31,690.08 : x
  2. Step 2: Convert to fraction form
    58,039.38/86,907.87 = 31,690.08/x
  3. Step 3: Cross multiply
    58,039.38x = 86,907.87 × 31,690.08
  4. Step 4: Simplify right side
    58,039.38x = 2,754,117,352.93
  5. Step 5: Solve for x
    x = 2,754,117,352.93/58,039.38
  6. Step 6: Final answer
    x = 47,452.56

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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.