Home / 52,110.20-78,165.30-46,569.80

Finding the Fourth Proportional to 52,110.20, 78,165.30 and 46,569.80

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Solution

The fourth proportional to 52,110.20, 78,165.30 and 46,569.80 is: 69,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110.20 : 78,165.30 = 46,569.80 : x
  2. Step 2: Convert to fraction form
    52,110.20/78,165.30 = 46,569.80/x
  3. Step 3: Cross multiply
    52,110.20x = 78,165.30 × 46,569.80
  4. Step 4: Simplify right side
    52,110.20x = 3,640,142,387.94
  5. Step 5: Solve for x
    x = 3,640,142,387.94/52,110.20
  6. Step 6: Final answer
    x = 69,854.70

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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.