Home / 93,708.18-140,576.91-30,513.39

Finding the Fourth Proportional to 93,708.18, 140,576.91 and 30,513.39

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Solution

The fourth proportional to 93,708.18, 140,576.91 and 30,513.39 is: 45,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,708.18 : 140,576.91 = 30,513.39 : x
  2. Step 2: Convert to fraction form
    93,708.18/140,576.91 = 30,513.39/x
  3. Step 3: Cross multiply
    93,708.18x = 140,576.91 × 30,513.39
  4. Step 4: Simplify right side
    93,708.18x = 4,289,478,079.82
  5. Step 5: Solve for x
    x = 4,289,478,079.82/93,708.18
  6. Step 6: Final answer
    x = 45,774.85

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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.