Home / 85,293.23-117,709.81-47,052.85

Finding the Fourth Proportional to 85,293.23, 117,709.81 and 47,052.85

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Solution

The fourth proportional to 85,293.23, 117,709.81 and 47,052.85 is: 64,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,293.23 : 117,709.81 = 47,052.85 : x
  2. Step 2: Convert to fraction form
    85,293.23/117,709.81 = 47,052.85/x
  3. Step 3: Cross multiply
    85,293.23x = 117,709.81 × 47,052.85
  4. Step 4: Simplify right side
    85,293.23x = 5,538,581,842.26
  5. Step 5: Solve for x
    x = 5,538,581,842.26/85,293.23
  6. Step 6: Final answer
    x = 64,935.77

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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.