Home / 51,192.96-70,652-28,534.02

Finding the Fourth Proportional to 51,192.96, 70,652 and 28,534.02

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Solution

The fourth proportional to 51,192.96, 70,652 and 28,534.02 is: 39,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,192.96 : 70,652 = 28,534.02 : x
  2. Step 2: Convert to fraction form
    51,192.96/70,652 = 28,534.02/x
  3. Step 3: Cross multiply
    51,192.96x = 70,652 × 28,534.02
  4. Step 4: Simplify right side
    51,192.96x = 2,015,985,581.04
  5. Step 5: Solve for x
    x = 2,015,985,581.04/51,192.96
  6. Step 6: Final answer
    x = 39,380.13

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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.