Home / 54,341.74-81,512.66-43,762.15

Finding the Fourth Proportional to 54,341.74, 81,512.66 and 43,762.15

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Solution

The fourth proportional to 54,341.74, 81,512.66 and 43,762.15 is: 65,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.74 : 81,512.66 = 43,762.15 : x
  2. Step 2: Convert to fraction form
    54,341.74/81,512.66 = 43,762.15/x
  3. Step 3: Cross multiply
    54,341.74x = 81,512.66 × 43,762.15
  4. Step 4: Simplify right side
    54,341.74x = 3,567,169,253.82
  5. Step 5: Solve for x
    x = 3,567,169,253.82/54,341.74
  6. Step 6: Final answer
    x = 65,643.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.