Home / 71,179.08-98,220.60-40,956.36

Finding the Fourth Proportional to 71,179.08, 98,220.60 and 40,956.36

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Solution

The fourth proportional to 71,179.08, 98,220.60 and 40,956.36 is: 56,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179.08 : 98,220.60 = 40,956.36 : x
  2. Step 2: Convert to fraction form
    71,179.08/98,220.60 = 40,956.36/x
  3. Step 3: Cross multiply
    71,179.08x = 98,220.60 × 40,956.36
  4. Step 4: Simplify right side
    71,179.08x = 4,022,758,253.02
  5. Step 5: Solve for x
    x = 4,022,758,253.02/71,179.08
  6. Step 6: Final answer
    x = 56,516.02

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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.