Home / 86,709.07-130,063.64-24,379.57

Finding the Fourth Proportional to 86,709.07, 130,063.64 and 24,379.57

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Solution

The fourth proportional to 86,709.07, 130,063.64 and 24,379.57 is: 36,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,709.07 : 130,063.64 = 24,379.57 : x
  2. Step 2: Convert to fraction form
    86,709.07/130,063.64 = 24,379.57/x
  3. Step 3: Cross multiply
    86,709.07x = 130,063.64 × 24,379.57
  4. Step 4: Simplify right side
    86,709.07x = 3,170,895,615.83
  5. Step 5: Solve for x
    x = 3,170,895,615.83/86,709.07
  6. Step 6: Final answer
    x = 36,569.36

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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.