Home / 70,782.03-106,285.91-41,221.35

Finding the Fourth Proportional to 70,782.03, 106,285.91 and 41,221.35

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Solution

The fourth proportional to 70,782.03, 106,285.91 and 41,221.35 is: 61,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,782.03 : 106,285.91 = 41,221.35 : x
  2. Step 2: Convert to fraction form
    70,782.03/106,285.91 = 41,221.35/x
  3. Step 3: Cross multiply
    70,782.03x = 106,285.91 × 41,221.35
  4. Step 4: Simplify right side
    70,782.03x = 4,381,248,490.07
  5. Step 5: Solve for x
    x = 4,381,248,490.07/70,782.03
  6. Step 6: Final answer
    x = 61,897.75

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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.