Home / 90,287.40-124,596.96-50,000.28

Finding the Fourth Proportional to 90,287.40, 124,596.96 and 50,000.28

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Solution

The fourth proportional to 90,287.40, 124,596.96 and 50,000.28 is: 69,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287.40 : 124,596.96 = 50,000.28 : x
  2. Step 2: Convert to fraction form
    90,287.40/124,596.96 = 50,000.28/x
  3. Step 3: Cross multiply
    90,287.40x = 124,596.96 × 50,000.28
  4. Step 4: Simplify right side
    90,287.40x = 6,229,882,887.15
  5. Step 5: Solve for x
    x = 6,229,882,887.15/90,287.40
  6. Step 6: Final answer
    x = 69,000.58

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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.