Home / 91,277.78-125,957.03-50,440.14

Finding the Fourth Proportional to 91,277.78, 125,957.03 and 50,440.14

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Solution

The fourth proportional to 91,277.78, 125,957.03 and 50,440.14 is: 69,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,277.78 : 125,957.03 = 50,440.14 : x
  2. Step 2: Convert to fraction form
    91,277.78/125,957.03 = 50,440.14/x
  3. Step 3: Cross multiply
    91,277.78x = 125,957.03 × 50,440.14
  4. Step 4: Simplify right side
    91,277.78x = 6,353,289,974.98
  5. Step 5: Solve for x
    x = 6,353,289,974.98/91,277.78
  6. Step 6: Final answer
    x = 69,603.91

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1.5x scale

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.