Home / 93,700.10-140,258.55-54,139.70

Finding the Fourth Proportional to 93,700.10, 140,258.55 and 54,139.70

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Solution

The fourth proportional to 93,700.10, 140,258.55 and 54,139.70 is: 81,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,700.10 : 140,258.55 = 54,139.70 : x
  2. Step 2: Convert to fraction form
    93,700.10/140,258.55 = 54,139.70/x
  3. Step 3: Cross multiply
    93,700.10x = 140,258.55 × 54,139.70
  4. Step 4: Simplify right side
    93,700.10x = 7,593,555,819.44
  5. Step 5: Solve for x
    x = 7,593,555,819.44/93,700.10
  6. Step 6: Final answer
    x = 81,041.06

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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.