Home / 104,747.32-144,554.34-57,003.75

Finding the Fourth Proportional to 104,747.32, 144,554.34 and 57,003.75

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Solution

The fourth proportional to 104,747.32, 144,554.34 and 57,003.75 is: 78,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.32 : 144,554.34 = 57,003.75 : x
  2. Step 2: Convert to fraction form
    104,747.32/144,554.34 = 57,003.75/x
  3. Step 3: Cross multiply
    104,747.32x = 144,554.34 × 57,003.75
  4. Step 4: Simplify right side
    104,747.32x = 8,240,139,458.78
  5. Step 5: Solve for x
    x = 8,240,139,458.78/104,747.32
  6. Step 6: Final answer
    x = 78,666.83

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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.