Home / 73,160.04-109,718.40-31,039.58

Finding the Fourth Proportional to 73,160.04, 109,718.40 and 31,039.58

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Solution

The fourth proportional to 73,160.04, 109,718.40 and 31,039.58 is: 46,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,160.04 : 109,718.40 = 31,039.58 : x
  2. Step 2: Convert to fraction form
    73,160.04/109,718.40 = 31,039.58/x
  3. Step 3: Cross multiply
    73,160.04x = 109,718.40 × 31,039.58
  4. Step 4: Simplify right side
    73,160.04x = 3,405,613,054.27
  5. Step 5: Solve for x
    x = 3,405,613,054.27/73,160.04
  6. Step 6: Final answer
    x = 46,550.18

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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.