Home / 92,844.72-128,127.28-50,403.25

Finding the Fourth Proportional to 92,844.72, 128,127.28 and 50,403.25

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Solution

The fourth proportional to 92,844.72, 128,127.28 and 50,403.25 is: 69,557.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,844.72 : 128,127.28 = 50,403.25 : x
  2. Step 2: Convert to fraction form
    92,844.72/128,127.28 = 50,403.25/x
  3. Step 3: Cross multiply
    92,844.72x = 128,127.28 × 50,403.25
  4. Step 4: Simplify right side
    92,844.72x = 6,458,031,325.66
  5. Step 5: Solve for x
    x = 6,458,031,325.66/92,844.72
  6. Step 6: Final answer
    x = 69,557.34

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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.