Home / 66,026.43-91,155.96-43,403.31

Finding the Fourth Proportional to 66,026.43, 91,155.96 and 43,403.31

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Solution

The fourth proportional to 66,026.43, 91,155.96 and 43,403.31 is: 59,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026.43 : 91,155.96 = 43,403.31 : x
  2. Step 2: Convert to fraction form
    66,026.43/91,155.96 = 43,403.31/x
  3. Step 3: Cross multiply
    66,026.43x = 91,155.96 × 43,403.31
  4. Step 4: Simplify right side
    66,026.43x = 3,956,470,390.23
  5. Step 5: Solve for x
    x = 3,956,470,390.23/66,026.43
  6. Step 6: Final answer
    x = 59,922.52

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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.