Home / 107,410.05-161,160.63-57,477.20

Finding the Fourth Proportional to 107,410.05, 161,160.63 and 57,477.20

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Solution

The fourth proportional to 107,410.05, 161,160.63 and 57,477.20 is: 86,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,410.05 : 161,160.63 = 57,477.20 : x
  2. Step 2: Convert to fraction form
    107,410.05/161,160.63 = 57,477.20/x
  3. Step 3: Cross multiply
    107,410.05x = 161,160.63 × 57,477.20
  4. Step 4: Simplify right side
    107,410.05x = 9,263,060,956.83
  5. Step 5: Solve for x
    x = 9,263,060,956.83/107,410.05
  6. Step 6: Final answer
    x = 86,240.17

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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.