Home / 71,180.08-98,221.98-40,957.36

Finding the Fourth Proportional to 71,180.08, 98,221.98 and 40,957.36

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Solution

The fourth proportional to 71,180.08, 98,221.98 and 40,957.36 is: 56,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,180.08 : 98,221.98 = 40,957.36 : x
  2. Step 2: Convert to fraction form
    71,180.08/98,221.98 = 40,957.36/x
  3. Step 3: Cross multiply
    71,180.08x = 98,221.98 × 40,957.36
  4. Step 4: Simplify right side
    71,180.08x = 4,022,912,994.77
  5. Step 5: Solve for x
    x = 4,022,912,994.77/71,180.08
  6. Step 6: Final answer
    x = 56,517.40

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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.