Home / 58,199.82-87,314.31-18,756.06

Finding the Fourth Proportional to 58,199.82, 87,314.31 and 18,756.06

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Solution

The fourth proportional to 58,199.82, 87,314.31 and 18,756.06 is: 28,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,199.82 : 87,314.31 = 18,756.06 : x
  2. Step 2: Convert to fraction form
    58,199.82/87,314.31 = 18,756.06/x
  3. Step 3: Cross multiply
    58,199.82x = 87,314.31 × 18,756.06
  4. Step 4: Simplify right side
    58,199.82x = 1,637,672,437.22
  5. Step 5: Solve for x
    x = 1,637,672,437.22/58,199.82
  6. Step 6: Final answer
    x = 28,138.79

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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.