Home / 93,825.11-129,457.89-55,565.57

Finding the Fourth Proportional to 93,825.11, 129,457.89 and 55,565.57

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Solution

The fourth proportional to 93,825.11, 129,457.89 and 55,565.57 is: 76,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,825.11 : 129,457.89 = 55,565.57 : x
  2. Step 2: Convert to fraction form
    93,825.11/129,457.89 = 55,565.57/x
  3. Step 3: Cross multiply
    93,825.11x = 129,457.89 × 55,565.57
  4. Step 4: Simplify right side
    93,825.11x = 7,193,400,801.56
  5. Step 5: Solve for x
    x = 7,193,400,801.56/93,825.11
  6. Step 6: Final answer
    x = 76,668.19

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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.