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Finding the Fourth Proportional to 93,046.01, 139,569.86 and 26,486.12

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Solution

The fourth proportional to 93,046.01, 139,569.86 and 26,486.12 is: 39,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,046.01 : 139,569.86 = 26,486.12 : x
  2. Step 2: Convert to fraction form
    93,046.01/139,569.86 = 26,486.12/x
  3. Step 3: Cross multiply
    93,046.01x = 139,569.86 × 26,486.12
  4. Step 4: Simplify right side
    93,046.01x = 3,696,663,428.71
  5. Step 5: Solve for x
    x = 3,696,663,428.71/93,046.01
  6. Step 6: Final answer
    x = 39,729.41

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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.