Home / 93,533.40-140,146.20-54,021.60

Finding the Fourth Proportional to 93,533.40, 140,146.20 and 54,021.60

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Solution

The fourth proportional to 93,533.40, 140,146.20 and 54,021.60 is: 80,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,533.40 : 140,146.20 = 54,021.60 : x
  2. Step 2: Convert to fraction form
    93,533.40/140,146.20 = 54,021.60/x
  3. Step 3: Cross multiply
    93,533.40x = 140,146.20 × 54,021.60
  4. Step 4: Simplify right side
    93,533.40x = 7,570,921,957.92
  5. Step 5: Solve for x
    x = 7,570,921,957.92/93,533.40
  6. Step 6: Final answer
    x = 80,943.51

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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.