Home / 107,465.07-161,322.14-57,642.48

Finding the Fourth Proportional to 107,465.07, 161,322.14 and 57,642.48

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Solution

The fourth proportional to 107,465.07, 161,322.14 and 57,642.48 is: 86,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,465.07 : 161,322.14 = 57,642.48 : x
  2. Step 2: Convert to fraction form
    107,465.07/161,322.14 = 57,642.48/x
  3. Step 3: Cross multiply
    107,465.07x = 161,322.14 × 57,642.48
  4. Step 4: Simplify right side
    107,465.07x = 9,299,008,372.61
  5. Step 5: Solve for x
    x = 9,299,008,372.61/107,465.07
  6. Step 6: Final answer
    x = 86,530.52

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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.