Home / 104,782.93-144,603.71-57,039.46

Finding the Fourth Proportional to 104,782.93, 144,603.71 and 57,039.46

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Solution

The fourth proportional to 104,782.93, 144,603.71 and 57,039.46 is: 78,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,782.93 : 144,603.71 = 57,039.46 : x
  2. Step 2: Convert to fraction form
    104,782.93/144,603.71 = 57,039.46/x
  3. Step 3: Cross multiply
    104,782.93x = 144,603.71 × 57,039.46
  4. Step 4: Simplify right side
    104,782.93x = 8,248,117,247.20
  5. Step 5: Solve for x
    x = 8,248,117,247.20/104,782.93
  6. Step 6: Final answer
    x = 78,716.23

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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.