Home / 53,900.20-80,696.70-52,364.20

Finding the Fourth Proportional to 53,900.20, 80,696.70 and 52,364.20

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Solution

The fourth proportional to 53,900.20, 80,696.70 and 52,364.20 is: 78,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900.20 : 80,696.70 = 52,364.20 : x
  2. Step 2: Convert to fraction form
    53,900.20/80,696.70 = 52,364.20/x
  3. Step 3: Cross multiply
    53,900.20x = 80,696.70 × 52,364.20
  4. Step 4: Simplify right side
    53,900.20x = 4,225,618,138.14
  5. Step 5: Solve for x
    x = 4,225,618,138.14/53,900.20
  6. Step 6: Final answer
    x = 78,397.08

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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.