Home / 71,495.80-98,664.25-39,664.73

Finding the Fourth Proportional to 71,495.80, 98,664.25 and 39,664.73

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Solution

The fourth proportional to 71,495.80, 98,664.25 and 39,664.73 is: 54,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,495.80 : 98,664.25 = 39,664.73 : x
  2. Step 2: Convert to fraction form
    71,495.80/98,664.25 = 39,664.73/x
  3. Step 3: Cross multiply
    71,495.80x = 98,664.25 × 39,664.73
  4. Step 4: Simplify right side
    71,495.80x = 3,913,490,836.90
  5. Step 5: Solve for x
    x = 3,913,490,836.90/71,495.80
  6. Step 6: Final answer
    x = 54,737.35

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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.