Home / 104,603.82-144,352.42-56,857.02

Finding the Fourth Proportional to 104,603.82, 144,352.42 and 56,857.02

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Solution

The fourth proportional to 104,603.82, 144,352.42 and 56,857.02 is: 78,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,603.82 : 144,352.42 = 56,857.02 : x
  2. Step 2: Convert to fraction form
    104,603.82/144,352.42 = 56,857.02/x
  3. Step 3: Cross multiply
    104,603.82x = 144,352.42 × 56,857.02
  4. Step 4: Simplify right side
    104,603.82x = 8,207,448,430.99
  5. Step 5: Solve for x
    x = 8,207,448,430.99/104,603.82
  6. Step 6: Final answer
    x = 78,462.22

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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.