Home / 57,254.98-78,999.32-55,367.14

Finding the Fourth Proportional to 57,254.98, 78,999.32 and 55,367.14

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Solution

The fourth proportional to 57,254.98, 78,999.32 and 55,367.14 is: 76,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.98 : 78,999.32 = 55,367.14 : x
  2. Step 2: Convert to fraction form
    57,254.98/78,999.32 = 55,367.14/x
  3. Step 3: Cross multiply
    57,254.98x = 78,999.32 × 55,367.14
  4. Step 4: Simplify right side
    57,254.98x = 4,373,966,410.34
  5. Step 5: Solve for x
    x = 4,373,966,410.34/57,254.98
  6. Step 6: Final answer
    x = 76,394.51

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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.