Home / 52,261.90-78,741.50-47,270.04

Finding the Fourth Proportional to 52,261.90, 78,741.50 and 47,270.04

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Solution

The fourth proportional to 52,261.90, 78,741.50 and 47,270.04 is: 71,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.90 : 78,741.50 = 47,270.04 : x
  2. Step 2: Convert to fraction form
    52,261.90/78,741.50 = 47,270.04/x
  3. Step 3: Cross multiply
    52,261.90x = 78,741.50 × 47,270.04
  4. Step 4: Simplify right side
    52,261.90x = 3,722,113,854.66
  5. Step 5: Solve for x
    x = 3,722,113,854.66/52,261.90
  6. Step 6: Final answer
    x = 71,220.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.