Home / 75,939.43-104,802.16-43,683.93

Finding the Fourth Proportional to 75,939.43, 104,802.16 and 43,683.93

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Solution

The fourth proportional to 75,939.43, 104,802.16 and 43,683.93 is: 60,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,939.43 : 104,802.16 = 43,683.93 : x
  2. Step 2: Convert to fraction form
    75,939.43/104,802.16 = 43,683.93/x
  3. Step 3: Cross multiply
    75,939.43x = 104,802.16 × 43,683.93
  4. Step 4: Simplify right side
    75,939.43x = 4,578,169,697.28
  5. Step 5: Solve for x
    x = 4,578,169,697.28/75,939.43
  6. Step 6: Final answer
    x = 60,287.12

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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.