Home / 91,053.18-125,644.24-50,763.18

Finding the Fourth Proportional to 91,053.18, 125,644.24 and 50,763.18

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Solution

The fourth proportional to 91,053.18, 125,644.24 and 50,763.18 is: 70,048.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,053.18 : 125,644.24 = 50,763.18 : x
  2. Step 2: Convert to fraction form
    91,053.18/125,644.24 = 50,763.18/x
  3. Step 3: Cross multiply
    91,053.18x = 125,644.24 × 50,763.18
  4. Step 4: Simplify right side
    91,053.18x = 6,378,101,171.08
  5. Step 5: Solve for x
    x = 6,378,101,171.08/91,053.18
  6. Step 6: Final answer
    x = 70,048.09

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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.