Home / 90,982.90-125,554.70-50,695.80

Finding the Fourth Proportional to 90,982.90, 125,554.70 and 50,695.80

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Solution

The fourth proportional to 90,982.90, 125,554.70 and 50,695.80 is: 69,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,982.90 : 125,554.70 = 50,695.80 : x
  2. Step 2: Convert to fraction form
    90,982.90/125,554.70 = 50,695.80/x
  3. Step 3: Cross multiply
    90,982.90x = 125,554.70 × 50,695.80
  4. Step 4: Simplify right side
    90,982.90x = 6,365,095,331.01
  5. Step 5: Solve for x
    x = 6,365,095,331.01/90,982.90
  6. Step 6: Final answer
    x = 69,959.25

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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.