Home / 91,367.84-126,126.40-55,569.28

Finding the Fourth Proportional to 91,367.84, 126,126.40 and 55,569.28

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Solution

The fourth proportional to 91,367.84, 126,126.40 and 55,569.28 is: 76,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,367.84 : 126,126.40 = 55,569.28 : x
  2. Step 2: Convert to fraction form
    91,367.84/126,126.40 = 55,569.28/x
  3. Step 3: Cross multiply
    91,367.84x = 126,126.40 × 55,569.28
  4. Step 4: Simplify right side
    91,367.84x = 7,008,753,236.99
  5. Step 5: Solve for x
    x = 7,008,753,236.99/91,367.84
  6. Step 6: Final answer
    x = 76,709.19

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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.