Home / 117,873.19-162,665.13-64,158.13

Finding the Fourth Proportional to 117,873.19, 162,665.13 and 64,158.13

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Solution

The fourth proportional to 117,873.19, 162,665.13 and 64,158.13 is: 88,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,873.19 : 162,665.13 = 64,158.13 : x
  2. Step 2: Convert to fraction form
    117,873.19/162,665.13 = 64,158.13/x
  3. Step 3: Cross multiply
    117,873.19x = 162,665.13 × 64,158.13
  4. Step 4: Simplify right side
    117,873.19x = 10,436,290,557.01
  5. Step 5: Solve for x
    x = 10,436,290,557.01/117,873.19
  6. Step 6: Final answer
    x = 88,538.29

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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.