Home / 71,376.64-98,511.36-68,226.88

Finding the Fourth Proportional to 71,376.64, 98,511.36 and 68,226.88

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Solution

The fourth proportional to 71,376.64, 98,511.36 and 68,226.88 is: 94,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,376.64 : 98,511.36 = 68,226.88 : x
  2. Step 2: Convert to fraction form
    71,376.64/98,511.36 = 68,226.88/x
  3. Step 3: Cross multiply
    71,376.64x = 98,511.36 × 68,226.88
  4. Step 4: Simplify right side
    71,376.64x = 6,721,122,737.36
  5. Step 5: Solve for x
    x = 6,721,122,737.36/71,376.64
  6. Step 6: Final answer
    x = 94,164.18

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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.