Home / 105,754.03-158,594.09-42,557.76

Finding the Fourth Proportional to 105,754.03, 158,594.09 and 42,557.76

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Solution

The fourth proportional to 105,754.03, 158,594.09 and 42,557.76 is: 63,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,754.03 : 158,594.09 = 42,557.76 : x
  2. Step 2: Convert to fraction form
    105,754.03/158,594.09 = 42,557.76/x
  3. Step 3: Cross multiply
    105,754.03x = 158,594.09 × 42,557.76
  4. Step 4: Simplify right side
    105,754.03x = 6,749,409,006.85
  5. Step 5: Solve for x
    x = 6,749,409,006.85/105,754.03
  6. Step 6: Final answer
    x = 63,821.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.