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Finding the Fourth Proportional to 93,098.71, 139,538.68 and 43,073.11

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Solution

The fourth proportional to 93,098.71, 139,538.68 and 43,073.11 is: 64,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,098.71 : 139,538.68 = 43,073.11 : x
  2. Step 2: Convert to fraction form
    93,098.71/139,538.68 = 43,073.11/x
  3. Step 3: Cross multiply
    93,098.71x = 139,538.68 × 43,073.11
  4. Step 4: Simplify right side
    93,098.71x = 6,010,364,456.37
  5. Step 5: Solve for x
    x = 6,010,364,456.37/93,098.71
  6. Step 6: Final answer
    x = 64,559.05

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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.