Home / 54,307.22-81,409.77-29,309.81

Finding the Fourth Proportional to 54,307.22, 81,409.77 and 29,309.81

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Solution

The fourth proportional to 54,307.22, 81,409.77 and 29,309.81 is: 43,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,307.22 : 81,409.77 = 29,309.81 : x
  2. Step 2: Convert to fraction form
    54,307.22/81,409.77 = 29,309.81/x
  3. Step 3: Cross multiply
    54,307.22x = 81,409.77 × 29,309.81
  4. Step 4: Simplify right side
    54,307.22x = 2,386,104,483.79
  5. Step 5: Solve for x
    x = 2,386,104,483.79/54,307.22
  6. Step 6: Final answer
    x = 43,937.15

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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.