Home / 91,619.52-126,450.72-53,895.36

Finding the Fourth Proportional to 91,619.52, 126,450.72 and 53,895.36

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Solution

The fourth proportional to 91,619.52, 126,450.72 and 53,895.36 is: 74,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,619.52 : 126,450.72 = 53,895.36 : x
  2. Step 2: Convert to fraction form
    91,619.52/126,450.72 = 53,895.36/x
  3. Step 3: Cross multiply
    91,619.52x = 126,450.72 × 53,895.36
  4. Step 4: Simplify right side
    91,619.52x = 6,815,107,076.66
  5. Step 5: Solve for x
    x = 6,815,107,076.66/91,619.52
  6. Step 6: Final answer
    x = 74,384.88

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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.