Home / 90,990.14-125,566.05-50,703.52

Finding the Fourth Proportional to 90,990.14, 125,566.05 and 50,703.52

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Solution

The fourth proportional to 90,990.14, 125,566.05 and 50,703.52 is: 69,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,990.14 : 125,566.05 = 50,703.52 : x
  2. Step 2: Convert to fraction form
    90,990.14/125,566.05 = 50,703.52/x
  3. Step 3: Cross multiply
    90,990.14x = 125,566.05 × 50,703.52
  4. Step 4: Simplify right side
    90,990.14x = 6,366,640,553.95
  5. Step 5: Solve for x
    x = 6,366,640,553.95/90,990.14
  6. Step 6: Final answer
    x = 69,970.67

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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.