Home / 93,709.18-140,578.41-30,514.39

Finding the Fourth Proportional to 93,709.18, 140,578.41 and 30,514.39

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Solution

The fourth proportional to 93,709.18, 140,578.41 and 30,514.39 is: 45,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,709.18 : 140,578.41 = 30,514.39 : x
  2. Step 2: Convert to fraction form
    93,709.18/140,578.41 = 30,514.39/x
  3. Step 3: Cross multiply
    93,709.18x = 140,578.41 × 30,514.39
  4. Step 4: Simplify right side
    93,709.18x = 4,289,664,428.32
  5. Step 5: Solve for x
    x = 4,289,664,428.32/93,709.18
  6. Step 6: Final answer
    x = 45,776.35

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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.