Home / 117,870.51-162,664.97-64,159.14

Finding the Fourth Proportional to 117,870.51, 162,664.97 and 64,159.14

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Solution

The fourth proportional to 117,870.51, 162,664.97 and 64,159.14 is: 88,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,870.51 : 162,664.97 = 64,159.14 : x
  2. Step 2: Convert to fraction form
    117,870.51/162,664.97 = 64,159.14/x
  3. Step 3: Cross multiply
    117,870.51x = 162,664.97 × 64,159.14
  4. Step 4: Simplify right side
    117,870.51x = 10,436,444,583.33
  5. Step 5: Solve for x
    x = 10,436,444,583.33/117,870.51
  6. Step 6: Final answer
    x = 88,541.61

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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.