Home / 91,634.95-126,456.04-55,824.94

Finding the Fourth Proportional to 91,634.95, 126,456.04 and 55,824.94

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Solution

The fourth proportional to 91,634.95, 126,456.04 and 55,824.94 is: 77,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,634.95 : 126,456.04 = 55,824.94 : x
  2. Step 2: Convert to fraction form
    91,634.95/126,456.04 = 55,824.94/x
  3. Step 3: Cross multiply
    91,634.95x = 126,456.04 × 55,824.94
  4. Step 4: Simplify right side
    91,634.95x = 7,059,400,845.64
  5. Step 5: Solve for x
    x = 7,059,400,845.64/91,634.95
  6. Step 6: Final answer
    x = 77,038.30

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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.