Home / 93,011.78-139,514.57-40,421.27

Finding the Fourth Proportional to 93,011.78, 139,514.57 and 40,421.27

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Solution

The fourth proportional to 93,011.78, 139,514.57 and 40,421.27 is: 60,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.78 : 139,514.57 = 40,421.27 : x
  2. Step 2: Convert to fraction form
    93,011.78/139,514.57 = 40,421.27/x
  3. Step 3: Cross multiply
    93,011.78x = 139,514.57 × 40,421.27
  4. Step 4: Simplify right side
    93,011.78x = 5,639,356,249.58
  5. Step 5: Solve for x
    x = 5,639,356,249.58/93,011.78
  6. Step 6: Final answer
    x = 60,630.56

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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.