Home / 91,288.76-125,974-50,994.52

Finding the Fourth Proportional to 91,288.76, 125,974 and 50,994.52

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Solution

The fourth proportional to 91,288.76, 125,974 and 50,994.52 is: 70,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288.76 : 125,974 = 50,994.52 : x
  2. Step 2: Convert to fraction form
    91,288.76/125,974 = 50,994.52/x
  3. Step 3: Cross multiply
    91,288.76x = 125,974 × 50,994.52
  4. Step 4: Simplify right side
    91,288.76x = 6,423,983,662.48
  5. Step 5: Solve for x
    x = 6,423,983,662.48/91,288.76
  6. Step 6: Final answer
    x = 70,369.93

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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.