Home / 69,322.59-95,455.47-57,177.93

Finding the Fourth Proportional to 69,322.59, 95,455.47 and 57,177.93

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Solution

The fourth proportional to 69,322.59, 95,455.47 and 57,177.93 is: 78,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,322.59 : 95,455.47 = 57,177.93 : x
  2. Step 2: Convert to fraction form
    69,322.59/95,455.47 = 57,177.93/x
  3. Step 3: Cross multiply
    69,322.59x = 95,455.47 × 57,177.93
  4. Step 4: Simplify right side
    69,322.59x = 5,457,946,181.78
  5. Step 5: Solve for x
    x = 5,457,946,181.78/69,322.59
  6. Step 6: Final answer
    x = 78,732.58

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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.