Home / 104,829.54-144,667.36-57,085.50

Finding the Fourth Proportional to 104,829.54, 144,667.36 and 57,085.50

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Solution

The fourth proportional to 104,829.54, 144,667.36 and 57,085.50 is: 78,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,829.54 : 144,667.36 = 57,085.50 : x
  2. Step 2: Convert to fraction form
    104,829.54/144,667.36 = 57,085.50/x
  3. Step 3: Cross multiply
    104,829.54x = 144,667.36 × 57,085.50
  4. Step 4: Simplify right side
    104,829.54x = 8,258,408,579.28
  5. Step 5: Solve for x
    x = 8,258,408,579.28/104,829.54
  6. Step 6: Final answer
    x = 78,779.40

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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.