Home / 104,984.08-144,876.08-57,237.84

Finding the Fourth Proportional to 104,984.08, 144,876.08 and 57,237.84

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Solution

The fourth proportional to 104,984.08, 144,876.08 and 57,237.84 is: 78,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,984.08 : 144,876.08 = 57,237.84 : x
  2. Step 2: Convert to fraction form
    104,984.08/144,876.08 = 57,237.84/x
  3. Step 3: Cross multiply
    104,984.08x = 144,876.08 × 57,237.84
  4. Step 4: Simplify right side
    104,984.08x = 8,292,393,886.87
  5. Step 5: Solve for x
    x = 8,292,393,886.87/104,984.08
  6. Step 6: Final answer
    x = 78,987.16

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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.