Home / 103,166.96-142,376.27-57,859.47

Finding the Fourth Proportional to 103,166.96, 142,376.27 and 57,859.47

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Solution

The fourth proportional to 103,166.96, 142,376.27 and 57,859.47 is: 79,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,166.96 : 142,376.27 = 57,859.47 : x
  2. Step 2: Convert to fraction form
    103,166.96/142,376.27 = 57,859.47/x
  3. Step 3: Cross multiply
    103,166.96x = 142,376.27 × 57,859.47
  4. Step 4: Simplify right side
    103,166.96x = 8,237,815,233.48
  5. Step 5: Solve for x
    x = 8,237,815,233.48/103,166.96
  6. Step 6: Final answer
    x = 79,849.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.