Home / 107,530.72-161,322.54-37,410.64

Finding the Fourth Proportional to 107,530.72, 161,322.54 and 37,410.64

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Solution

The fourth proportional to 107,530.72, 161,322.54 and 37,410.64 is: 56,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,530.72 : 161,322.54 = 37,410.64 : x
  2. Step 2: Convert to fraction form
    107,530.72/161,322.54 = 37,410.64/x
  3. Step 3: Cross multiply
    107,530.72x = 161,322.54 × 37,410.64
  4. Step 4: Simplify right side
    107,530.72x = 6,035,179,467.83
  5. Step 5: Solve for x
    x = 6,035,179,467.83/107,530.72
  6. Step 6: Final answer
    x = 56,125.17

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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.