Home / 109,473.62-151,073.37-59,172.50

Finding the Fourth Proportional to 109,473.62, 151,073.37 and 59,172.50

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Solution

The fourth proportional to 109,473.62, 151,073.37 and 59,172.50 is: 81,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,473.62 : 151,073.37 = 59,172.50 : x
  2. Step 2: Convert to fraction form
    109,473.62/151,073.37 = 59,172.50/x
  3. Step 3: Cross multiply
    109,473.62x = 151,073.37 × 59,172.50
  4. Step 4: Simplify right side
    109,473.62x = 8,939,388,986.33
  5. Step 5: Solve for x
    x = 8,939,388,986.33/109,473.62
  6. Step 6: Final answer
    x = 81,657.93

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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.