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Finding the Fourth Proportional to 93,929.71, 140,859.51 and 37,750.81

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Solution

The fourth proportional to 93,929.71, 140,859.51 and 37,750.81 is: 56,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,929.71 : 140,859.51 = 37,750.81 : x
  2. Step 2: Convert to fraction form
    93,929.71/140,859.51 = 37,750.81/x
  3. Step 3: Cross multiply
    93,929.71x = 140,859.51 × 37,750.81
  4. Step 4: Simplify right side
    93,929.71x = 5,317,560,598.70
  5. Step 5: Solve for x
    x = 5,317,560,598.70/93,929.71
  6. Step 6: Final answer
    x = 56,612.13

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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.