Home / 51,122.25-70,543.04-28,456.02

Finding the Fourth Proportional to 51,122.25, 70,543.04 and 28,456.02

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Solution

The fourth proportional to 51,122.25, 70,543.04 and 28,456.02 is: 39,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.25 : 70,543.04 = 28,456.02 : x
  2. Step 2: Convert to fraction form
    51,122.25/70,543.04 = 28,456.02/x
  3. Step 3: Cross multiply
    51,122.25x = 70,543.04 × 28,456.02
  4. Step 4: Simplify right side
    51,122.25x = 2,007,374,014.82
  5. Step 5: Solve for x
    x = 2,007,374,014.82/51,122.25
  6. Step 6: Final answer
    x = 39,266.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.