Home / 90,975.38-125,598.12-60,811.79

Finding the Fourth Proportional to 90,975.38, 125,598.12 and 60,811.79

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Solution

The fourth proportional to 90,975.38, 125,598.12 and 60,811.79 is: 83,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,975.38 : 125,598.12 = 60,811.79 : x
  2. Step 2: Convert to fraction form
    90,975.38/125,598.12 = 60,811.79/x
  3. Step 3: Cross multiply
    90,975.38x = 125,598.12 × 60,811.79
  4. Step 4: Simplify right side
    90,975.38x = 7,637,846,497.83
  5. Step 5: Solve for x
    x = 7,637,846,497.83/90,975.38
  6. Step 6: Final answer
    x = 83,955.09

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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.