Home / 62,639.21-93,948.81-18,255.58

Finding the Fourth Proportional to 62,639.21, 93,948.81 and 18,255.58

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Solution

The fourth proportional to 62,639.21, 93,948.81 and 18,255.58 is: 27,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,639.21 : 93,948.81 = 18,255.58 : x
  2. Step 2: Convert to fraction form
    62,639.21/93,948.81 = 18,255.58/x
  3. Step 3: Cross multiply
    62,639.21x = 93,948.81 × 18,255.58
  4. Step 4: Simplify right side
    62,639.21x = 1,715,090,016.86
  5. Step 5: Solve for x
    x = 1,715,090,016.86/62,639.21
  6. Step 6: Final answer
    x = 27,380.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.