Home / 85,228.58-117,615.57-47,502.02

Finding the Fourth Proportional to 85,228.58, 117,615.57 and 47,502.02

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Solution

The fourth proportional to 85,228.58, 117,615.57 and 47,502.02 is: 65,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.58 : 117,615.57 = 47,502.02 : x
  2. Step 2: Convert to fraction form
    85,228.58/117,615.57 = 47,502.02/x
  3. Step 3: Cross multiply
    85,228.58x = 117,615.57 × 47,502.02
  4. Step 4: Simplify right side
    85,228.58x = 5,586,977,158.45
  5. Step 5: Solve for x
    x = 5,586,977,158.45/85,228.58
  6. Step 6: Final answer
    x = 65,552.86

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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.