Home / 75,089.60-103,633.44-43,259.84

Finding the Fourth Proportional to 75,089.60, 103,633.44 and 43,259.84

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Solution

The fourth proportional to 75,089.60, 103,633.44 and 43,259.84 is: 59,704.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.60 : 103,633.44 = 43,259.84 : x
  2. Step 2: Convert to fraction form
    75,089.60/103,633.44 = 43,259.84/x
  3. Step 3: Cross multiply
    75,089.60x = 103,633.44 × 43,259.84
  4. Step 4: Simplify right side
    75,089.60x = 4,483,166,033.05
  5. Step 5: Solve for x
    x = 4,483,166,033.05/75,089.60
  6. Step 6: Final answer
    x = 59,704.22

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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.