Home / 93,927.40-141,016.20-54,512.80

Finding the Fourth Proportional to 93,927.40, 141,016.20 and 54,512.80

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Solution

The fourth proportional to 93,927.40, 141,016.20 and 54,512.80 is: 81,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,927.40 : 141,016.20 = 54,512.80 : x
  2. Step 2: Convert to fraction form
    93,927.40/141,016.20 = 54,512.80/x
  3. Step 3: Cross multiply
    93,927.40x = 141,016.20 × 54,512.80
  4. Step 4: Simplify right side
    93,927.40x = 7,687,187,907.36
  5. Step 5: Solve for x
    x = 7,687,187,907.36/93,927.40
  6. Step 6: Final answer
    x = 81,841.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.