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Finding the Fourth Proportional to 93,967, 129,742.52 and 60,491.32

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Solution

The fourth proportional to 93,967, 129,742.52 and 60,491.32 is: 83,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,967 : 129,742.52 = 60,491.32 : x
  2. Step 2: Convert to fraction form
    93,967/129,742.52 = 60,491.32/x
  3. Step 3: Cross multiply
    93,967x = 129,742.52 × 60,491.32
  4. Step 4: Simplify right side
    93,967x = 7,848,296,294.93
  5. Step 5: Solve for x
    x = 7,848,296,294.93/93,967
  6. Step 6: Final answer
    x = 83,521.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.