Home / 52,454.98-78,751.06-31,146.60

Finding the Fourth Proportional to 52,454.98, 78,751.06 and 31,146.60

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Solution

The fourth proportional to 52,454.98, 78,751.06 and 31,146.60 is: 46,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.98 : 78,751.06 = 31,146.60 : x
  2. Step 2: Convert to fraction form
    52,454.98/78,751.06 = 31,146.60/x
  3. Step 3: Cross multiply
    52,454.98x = 78,751.06 × 31,146.60
  4. Step 4: Simplify right side
    52,454.98x = 2,452,827,687.53
  5. Step 5: Solve for x
    x = 2,452,827,687.53/52,454.98
  6. Step 6: Final answer
    x = 46,760.63

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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.