Home / 113,143.24-169,837.98-65,810.08

Finding the Fourth Proportional to 113,143.24, 169,837.98 and 65,810.08

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Solution

The fourth proportional to 113,143.24, 169,837.98 and 65,810.08 is: 98,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,143.24 : 169,837.98 = 65,810.08 : x
  2. Step 2: Convert to fraction form
    113,143.24/169,837.98 = 65,810.08/x
  3. Step 3: Cross multiply
    113,143.24x = 169,837.98 × 65,810.08
  4. Step 4: Simplify right side
    113,143.24x = 11,177,051,050.84
  5. Step 5: Solve for x
    x = 11,177,051,050.84/113,143.24
  6. Step 6: Final answer
    x = 98,786.73

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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.