Home / 93,555.40-140,179.20-54,043.60

Finding the Fourth Proportional to 93,555.40, 140,179.20 and 54,043.60

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Solution

The fourth proportional to 93,555.40, 140,179.20 and 54,043.60 is: 80,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,555.40 : 140,179.20 = 54,043.60 : x
  2. Step 2: Convert to fraction form
    93,555.40/140,179.20 = 54,043.60/x
  3. Step 3: Cross multiply
    93,555.40x = 140,179.20 × 54,043.60
  4. Step 4: Simplify right side
    93,555.40x = 7,575,788,613.12
  5. Step 5: Solve for x
    x = 7,575,788,613.12/93,555.40
  6. Step 6: Final answer
    x = 80,976.50

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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.