Home / 93,708.64-129,396.72-66,933.28

Finding the Fourth Proportional to 93,708.64, 129,396.72 and 66,933.28

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Solution

The fourth proportional to 93,708.64, 129,396.72 and 66,933.28 is: 92,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,708.64 : 129,396.72 = 66,933.28 : x
  2. Step 2: Convert to fraction form
    93,708.64/129,396.72 = 66,933.28/x
  3. Step 3: Cross multiply
    93,708.64x = 129,396.72 × 66,933.28
  4. Step 4: Simplify right side
    93,708.64x = 8,660,946,890.84
  5. Step 5: Solve for x
    x = 8,660,946,890.84/93,708.64
  6. Step 6: Final answer
    x = 92,424.21

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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.