Home / 75,090.30-103,614.39-44,869.25

Finding the Fourth Proportional to 75,090.30, 103,614.39 and 44,869.25

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Solution

The fourth proportional to 75,090.30, 103,614.39 and 44,869.25 is: 61,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.30 : 103,614.39 = 44,869.25 : x
  2. Step 2: Convert to fraction form
    75,090.30/103,614.39 = 44,869.25/x
  3. Step 3: Cross multiply
    75,090.30x = 103,614.39 × 44,869.25
  4. Step 4: Simplify right side
    75,090.30x = 4,649,099,968.51
  5. Step 5: Solve for x
    x = 4,649,099,968.51/75,090.30
  6. Step 6: Final answer
    x = 61,913.46

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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.