Home / 93,708.12-140,645.34-43,815.36

Finding the Fourth Proportional to 93,708.12, 140,645.34 and 43,815.36

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Solution

The fourth proportional to 93,708.12, 140,645.34 and 43,815.36 is: 65,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,708.12 : 140,645.34 = 43,815.36 : x
  2. Step 2: Convert to fraction form
    93,708.12/140,645.34 = 43,815.36/x
  3. Step 3: Cross multiply
    93,708.12x = 140,645.34 × 43,815.36
  4. Step 4: Simplify right side
    93,708.12x = 6,162,426,204.42
  5. Step 5: Solve for x
    x = 6,162,426,204.42/93,708.12
  6. Step 6: Final answer
    x = 65,761.92

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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.