Home / 93,321.60-140,000.40-40,012.80

Finding the Fourth Proportional to 93,321.60, 140,000.40 and 40,012.80

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Solution

The fourth proportional to 93,321.60, 140,000.40 and 40,012.80 is: 60,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321.60 : 140,000.40 = 40,012.80 : x
  2. Step 2: Convert to fraction form
    93,321.60/140,000.40 = 40,012.80/x
  3. Step 3: Cross multiply
    93,321.60x = 140,000.40 × 40,012.80
  4. Step 4: Simplify right side
    93,321.60x = 5,601,808,005.12
  5. Step 5: Solve for x
    x = 5,601,808,005.12/93,321.60
  6. Step 6: Final answer
    x = 60,026.92

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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.