Home / 71,982.08-99,291.72-46,448.48

Finding the Fourth Proportional to 71,982.08, 99,291.72 and 46,448.48

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Solution

The fourth proportional to 71,982.08, 99,291.72 and 46,448.48 is: 64,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,982.08 : 99,291.72 = 46,448.48 : x
  2. Step 2: Convert to fraction form
    71,982.08/99,291.72 = 46,448.48/x
  3. Step 3: Cross multiply
    71,982.08x = 99,291.72 × 46,448.48
  4. Step 4: Simplify right side
    71,982.08x = 4,611,949,470.59
  5. Step 5: Solve for x
    x = 4,611,949,470.59/71,982.08
  6. Step 6: Final answer
    x = 64,070.80

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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.