Home / 80,124.66-110,572.02-43,826.40

Finding the Fourth Proportional to 80,124.66, 110,572.02 and 43,826.40

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Solution

The fourth proportional to 80,124.66, 110,572.02 and 43,826.40 is: 60,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,124.66 : 110,572.02 = 43,826.40 : x
  2. Step 2: Convert to fraction form
    80,124.66/110,572.02 = 43,826.40/x
  3. Step 3: Cross multiply
    80,124.66x = 110,572.02 × 43,826.40
  4. Step 4: Simplify right side
    80,124.66x = 4,845,973,577.33
  5. Step 5: Solve for x
    x = 4,845,973,577.33/80,124.66
  6. Step 6: Final answer
    x = 60,480.43

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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.