Home / 68,927.14-103,301.34-28,900.72

Finding the Fourth Proportional to 68,927.14, 103,301.34 and 28,900.72

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Solution

The fourth proportional to 68,927.14, 103,301.34 and 28,900.72 is: 43,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,927.14 : 103,301.34 = 28,900.72 : x
  2. Step 2: Convert to fraction form
    68,927.14/103,301.34 = 28,900.72/x
  3. Step 3: Cross multiply
    68,927.14x = 103,301.34 × 28,900.72
  4. Step 4: Simplify right side
    68,927.14x = 2,985,483,102.96
  5. Step 5: Solve for x
    x = 2,985,483,102.96/68,927.14
  6. Step 6: Final answer
    x = 43,313.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.