Home / 104,764.95-144,571.77-57,017.25

Finding the Fourth Proportional to 104,764.95, 144,571.77 and 57,017.25

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Solution

The fourth proportional to 104,764.95, 144,571.77 and 57,017.25 is: 78,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,764.95 : 144,571.77 = 57,017.25 : x
  2. Step 2: Convert to fraction form
    104,764.95/144,571.77 = 57,017.25/x
  3. Step 3: Cross multiply
    104,764.95x = 144,571.77 × 57,017.25
  4. Step 4: Simplify right side
    104,764.95x = 8,243,084,753.03
  5. Step 5: Solve for x
    x = 8,243,084,753.03/104,764.95
  6. Step 6: Final answer
    x = 78,681.70

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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.