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Finding the Fourth Proportional to 93,256.51, 139,926.11 and 48,872.71

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Solution

The fourth proportional to 93,256.51, 139,926.11 and 48,872.71 is: 73,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,256.51 : 139,926.11 = 48,872.71 : x
  2. Step 2: Convert to fraction form
    93,256.51/139,926.11 = 48,872.71/x
  3. Step 3: Cross multiply
    93,256.51x = 139,926.11 × 48,872.71
  4. Step 4: Simplify right side
    93,256.51x = 6,838,568,195.46
  5. Step 5: Solve for x
    x = 6,838,568,195.46/93,256.51
  6. Step 6: Final answer
    x = 73,330.73

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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.