Home / 94,821.48-142,238.70-31,639.32

Finding the Fourth Proportional to 94,821.48, 142,238.70 and 31,639.32

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Solution

The fourth proportional to 94,821.48, 142,238.70 and 31,639.32 is: 47,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,821.48 : 142,238.70 = 31,639.32 : x
  2. Step 2: Convert to fraction form
    94,821.48/142,238.70 = 31,639.32/x
  3. Step 3: Cross multiply
    94,821.48x = 142,238.70 × 31,639.32
  4. Step 4: Simplify right side
    94,821.48x = 4,500,335,745.68
  5. Step 5: Solve for x
    x = 4,500,335,745.68/94,821.48
  6. Step 6: Final answer
    x = 47,461.14

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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.