Home / 72,863.55-101,010.24-68,872.28

Finding the Fourth Proportional to 72,863.55, 101,010.24 and 68,872.28

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Solution

The fourth proportional to 72,863.55, 101,010.24 and 68,872.28 is: 95,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,863.55 : 101,010.24 = 68,872.28 : x
  2. Step 2: Convert to fraction form
    72,863.55/101,010.24 = 68,872.28/x
  3. Step 3: Cross multiply
    72,863.55x = 101,010.24 × 68,872.28
  4. Step 4: Simplify right side
    72,863.55x = 6,956,805,027.10
  5. Step 5: Solve for x
    x = 6,956,805,027.10/72,863.55
  6. Step 6: Final answer
    x = 95,477.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.