Home / 75,133.37-103,683.82-43,302.20

Finding the Fourth Proportional to 75,133.37, 103,683.82 and 43,302.20

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Solution

The fourth proportional to 75,133.37, 103,683.82 and 43,302.20 is: 59,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,133.37 : 103,683.82 = 43,302.20 : x
  2. Step 2: Convert to fraction form
    75,133.37/103,683.82 = 43,302.20/x
  3. Step 3: Cross multiply
    75,133.37x = 103,683.82 × 43,302.20
  4. Step 4: Simplify right side
    75,133.37x = 4,489,737,510.40
  5. Step 5: Solve for x
    x = 4,489,737,510.40/75,133.37
  6. Step 6: Final answer
    x = 59,756.90

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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.