Home / 85,057.71-117,377.93-53,244.15

Finding the Fourth Proportional to 85,057.71, 117,377.93 and 53,244.15

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Solution

The fourth proportional to 85,057.71, 117,377.93 and 53,244.15 is: 73,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,057.71 : 117,377.93 = 53,244.15 : x
  2. Step 2: Convert to fraction form
    85,057.71/117,377.93 = 53,244.15/x
  3. Step 3: Cross multiply
    85,057.71x = 117,377.93 × 53,244.15
  4. Step 4: Simplify right side
    85,057.71x = 6,249,687,845.39
  5. Step 5: Solve for x
    x = 6,249,687,845.39/85,057.71
  6. Step 6: Final answer
    x = 73,475.85

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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.