Home / 104,856.80-144,703.60-57,110.54

Finding the Fourth Proportional to 104,856.80, 144,703.60 and 57,110.54

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Solution

The fourth proportional to 104,856.80, 144,703.60 and 57,110.54 is: 78,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,856.80 : 144,703.60 = 57,110.54 : x
  2. Step 2: Convert to fraction form
    104,856.80/144,703.60 = 57,110.54/x
  3. Step 3: Cross multiply
    104,856.80x = 144,703.60 × 57,110.54
  4. Step 4: Simplify right side
    104,856.80x = 8,264,099,869.65
  5. Step 5: Solve for x
    x = 8,264,099,869.65/104,856.80
  6. Step 6: Final answer
    x = 78,813.20

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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.