Home / 79,697.04-109,982.63-43,887.19

Finding the Fourth Proportional to 79,697.04, 109,982.63 and 43,887.19

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Solution

The fourth proportional to 79,697.04, 109,982.63 and 43,887.19 is: 60,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,697.04 : 109,982.63 = 43,887.19 : x
  2. Step 2: Convert to fraction form
    79,697.04/109,982.63 = 43,887.19/x
  3. Step 3: Cross multiply
    79,697.04x = 109,982.63 × 43,887.19
  4. Step 4: Simplify right side
    79,697.04x = 4,826,828,579.51
  5. Step 5: Solve for x
    x = 4,826,828,579.51/79,697.04
  6. Step 6: Final answer
    x = 60,564.72

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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.