Home / 78,822.02-108,776.69-43,014.33

Finding the Fourth Proportional to 78,822.02, 108,776.69 and 43,014.33

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Solution

The fourth proportional to 78,822.02, 108,776.69 and 43,014.33 is: 59,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,822.02 : 108,776.69 = 43,014.33 : x
  2. Step 2: Convert to fraction form
    78,822.02/108,776.69 = 43,014.33/x
  3. Step 3: Cross multiply
    78,822.02x = 108,776.69 × 43,014.33
  4. Step 4: Simplify right side
    78,822.02x = 4,678,957,012.32
  5. Step 5: Solve for x
    x = 4,678,957,012.32/78,822.02
  6. Step 6: Final answer
    x = 59,361.04

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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.