Home / 57,428.15-79,238.66-34,762.73

Finding the Fourth Proportional to 57,428.15, 79,238.66 and 34,762.73

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Solution

The fourth proportional to 57,428.15, 79,238.66 and 34,762.73 is: 47,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,428.15 : 79,238.66 = 34,762.73 : x
  2. Step 2: Convert to fraction form
    57,428.15/79,238.66 = 34,762.73/x
  3. Step 3: Cross multiply
    57,428.15x = 79,238.66 × 34,762.73
  4. Step 4: Simplify right side
    57,428.15x = 2,754,551,573.13
  5. Step 5: Solve for x
    x = 2,754,551,573.13/57,428.15
  6. Step 6: Final answer
    x = 47,965.18

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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.