Home / 51,821.52-77,328.12-46,236.48

Finding the Fourth Proportional to 51,821.52, 77,328.12 and 46,236.48

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Solution

The fourth proportional to 51,821.52, 77,328.12 and 46,236.48 is: 68,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,821.52 : 77,328.12 = 46,236.48 : x
  2. Step 2: Convert to fraction form
    51,821.52/77,328.12 = 46,236.48/x
  3. Step 3: Cross multiply
    51,821.52x = 77,328.12 × 46,236.48
  4. Step 4: Simplify right side
    51,821.52x = 3,575,380,073.82
  5. Step 5: Solve for x
    x = 3,575,380,073.82/51,821.52
  6. Step 6: Final answer
    x = 68,994.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.