Home / 69,712.13-96,194.93-39,490.98

Finding the Fourth Proportional to 69,712.13, 96,194.93 and 39,490.98

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Solution

The fourth proportional to 69,712.13, 96,194.93 and 39,490.98 is: 54,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.13 : 96,194.93 = 39,490.98 : x
  2. Step 2: Convert to fraction form
    69,712.13/96,194.93 = 39,490.98/x
  3. Step 3: Cross multiply
    69,712.13x = 96,194.93 × 39,490.98
  4. Step 4: Simplify right side
    69,712.13x = 3,798,831,378.30
  5. Step 5: Solve for x
    x = 3,798,831,378.30/69,712.13
  6. Step 6: Final answer
    x = 54,493.12

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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.