Home / 90,841.09-125,359.73-50,554.17

Finding the Fourth Proportional to 90,841.09, 125,359.73 and 50,554.17

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Solution

The fourth proportional to 90,841.09, 125,359.73 and 50,554.17 is: 69,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.09 : 125,359.73 = 50,554.17 : x
  2. Step 2: Convert to fraction form
    90,841.09/125,359.73 = 50,554.17/x
  3. Step 3: Cross multiply
    90,841.09x = 125,359.73 × 50,554.17
  4. Step 4: Simplify right side
    90,841.09x = 6,337,456,848.80
  5. Step 5: Solve for x
    x = 6,337,456,848.80/90,841.09
  6. Step 6: Final answer
    x = 69,764.21

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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.