Home / 124,429.81-171,708.19-73,458.96

Finding the Fourth Proportional to 124,429.81, 171,708.19 and 73,458.96

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Solution

The fourth proportional to 124,429.81, 171,708.19 and 73,458.96 is: 101,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429.81 : 171,708.19 = 73,458.96 : x
  2. Step 2: Convert to fraction form
    124,429.81/171,708.19 = 73,458.96/x
  3. Step 3: Cross multiply
    124,429.81x = 171,708.19 × 73,458.96
  4. Step 4: Simplify right side
    124,429.81x = 12,613,505,612.39
  5. Step 5: Solve for x
    x = 12,613,505,612.39/124,429.81
  6. Step 6: Final answer
    x = 101,370.45

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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.