Home / 93,436.20-140,111.10-40,818.60

Finding the Fourth Proportional to 93,436.20, 140,111.10 and 40,818.60

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Solution

The fourth proportional to 93,436.20, 140,111.10 and 40,818.60 is: 61,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,436.20 : 140,111.10 = 40,818.60 : x
  2. Step 2: Convert to fraction form
    93,436.20/140,111.10 = 40,818.60/x
  3. Step 3: Cross multiply
    93,436.20x = 140,111.10 × 40,818.60
  4. Step 4: Simplify right side
    93,436.20x = 5,719,138,946.46
  5. Step 5: Solve for x
    x = 5,719,138,946.46/93,436.20
  6. Step 6: Final answer
    x = 61,209.03

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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.