Home / 104,937.51-144,813.72-57,190.85

Finding the Fourth Proportional to 104,937.51, 144,813.72 and 57,190.85

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Solution

The fourth proportional to 104,937.51, 144,813.72 and 57,190.85 is: 78,923.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,937.51 : 144,813.72 = 57,190.85 : x
  2. Step 2: Convert to fraction form
    104,937.51/144,813.72 = 57,190.85/x
  3. Step 3: Cross multiply
    104,937.51x = 144,813.72 × 57,190.85
  4. Step 4: Simplify right side
    104,937.51x = 8,282,019,738.46
  5. Step 5: Solve for x
    x = 8,282,019,738.46/104,937.51
  6. Step 6: Final answer
    x = 78,923.35

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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.