Home / 93,933.56-129,633.62-55,715.73

Finding the Fourth Proportional to 93,933.56, 129,633.62 and 55,715.73

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Solution

The fourth proportional to 93,933.56, 129,633.62 and 55,715.73 is: 76,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,933.56 : 129,633.62 = 55,715.73 : x
  2. Step 2: Convert to fraction form
    93,933.56/129,633.62 = 55,715.73/x
  3. Step 3: Cross multiply
    93,933.56x = 129,633.62 × 55,715.73
  4. Step 4: Simplify right side
    93,933.56x = 7,222,631,492.26
  5. Step 5: Solve for x
    x = 7,222,631,492.26/93,933.56
  6. Step 6: Final answer
    x = 76,890.86

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1.5x scale

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.