Home / 52,543.53-78,815.07-13,100.58

Finding the Fourth Proportional to 52,543.53, 78,815.07 and 13,100.58

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Solution

The fourth proportional to 52,543.53, 78,815.07 and 13,100.58 is: 19,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,543.53 : 78,815.07 = 13,100.58 : x
  2. Step 2: Convert to fraction form
    52,543.53/78,815.07 = 13,100.58/x
  3. Step 3: Cross multiply
    52,543.53x = 78,815.07 × 13,100.58
  4. Step 4: Simplify right side
    52,543.53x = 1,032,523,129.74
  5. Step 5: Solve for x
    x = 1,032,523,129.74/52,543.53
  6. Step 6: Final answer
    x = 19,650.81

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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.