Home / 93,018.74-139,457.85-47,991.86

Finding the Fourth Proportional to 93,018.74, 139,457.85 and 47,991.86

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Solution

The fourth proportional to 93,018.74, 139,457.85 and 47,991.86 is: 71,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,018.74 : 139,457.85 = 47,991.86 : x
  2. Step 2: Convert to fraction form
    93,018.74/139,457.85 = 47,991.86/x
  3. Step 3: Cross multiply
    93,018.74x = 139,457.85 × 47,991.86
  4. Step 4: Simplify right side
    93,018.74x = 6,692,841,613.10
  5. Step 5: Solve for x
    x = 6,692,841,613.10/93,018.74
  6. Step 6: Final answer
    x = 71,951.54

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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.