Home / 104,829.32-144,667.22-57,084.68

Finding the Fourth Proportional to 104,829.32, 144,667.22 and 57,084.68

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Solution

The fourth proportional to 104,829.32, 144,667.22 and 57,084.68 is: 78,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,829.32 : 144,667.22 = 57,084.68 : x
  2. Step 2: Convert to fraction form
    104,829.32/144,667.22 = 57,084.68/x
  3. Step 3: Cross multiply
    104,829.32x = 144,667.22 × 57,084.68
  4. Step 4: Simplify right side
    104,829.32x = 8,258,281,960.19
  5. Step 5: Solve for x
    x = 8,258,281,960.19/104,829.32
  6. Step 6: Final answer
    x = 78,778.36

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1.5x scale

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.