Home / 78,261.37-108,002.63-44,268.20

Finding the Fourth Proportional to 78,261.37, 108,002.63 and 44,268.20

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Solution

The fourth proportional to 78,261.37, 108,002.63 and 44,268.20 is: 61,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,261.37 : 108,002.63 = 44,268.20 : x
  2. Step 2: Convert to fraction form
    78,261.37/108,002.63 = 44,268.20/x
  3. Step 3: Cross multiply
    78,261.37x = 108,002.63 × 44,268.20
  4. Step 4: Simplify right side
    78,261.37x = 4,781,081,264.01
  5. Step 5: Solve for x
    x = 4,781,081,264.01/78,261.37
  6. Step 6: Final answer
    x = 61,091.21

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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.