Home / 52,569.77-78,854.25-13,126.62

Finding the Fourth Proportional to 52,569.77, 78,854.25 and 13,126.62

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Solution

The fourth proportional to 52,569.77, 78,854.25 and 13,126.62 is: 19,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,569.77 : 78,854.25 = 13,126.62 : x
  2. Step 2: Convert to fraction form
    52,569.77/78,854.25 = 13,126.62/x
  3. Step 3: Cross multiply
    52,569.77x = 78,854.25 × 13,126.62
  4. Step 4: Simplify right side
    52,569.77x = 1,035,089,775.14
  5. Step 5: Solve for x
    x = 1,035,089,775.14/52,569.77
  6. Step 6: Final answer
    x = 19,689.83

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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.