Home / 119,804.48-165,330.20-66,089.64

Finding the Fourth Proportional to 119,804.48, 165,330.20 and 66,089.64

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Solution

The fourth proportional to 119,804.48, 165,330.20 and 66,089.64 is: 91,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,804.48 : 165,330.20 = 66,089.64 : x
  2. Step 2: Convert to fraction form
    119,804.48/165,330.20 = 66,089.64/x
  3. Step 3: Cross multiply
    119,804.48x = 165,330.20 × 66,089.64
  4. Step 4: Simplify right side
    119,804.48x = 10,926,613,399.13
  5. Step 5: Solve for x
    x = 10,926,613,399.13/119,804.48
  6. Step 6: Final answer
    x = 91,203.71

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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.