Home / 70,161.42-105,208.02-23,398.50

Finding the Fourth Proportional to 70,161.42, 105,208.02 and 23,398.50

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Solution

The fourth proportional to 70,161.42, 105,208.02 and 23,398.50 is: 35,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.42 : 105,208.02 = 23,398.50 : x
  2. Step 2: Convert to fraction form
    70,161.42/105,208.02 = 23,398.50/x
  3. Step 3: Cross multiply
    70,161.42x = 105,208.02 × 23,398.50
  4. Step 4: Simplify right side
    70,161.42x = 2,461,709,855.97
  5. Step 5: Solve for x
    x = 2,461,709,855.97/70,161.42
  6. Step 6: Final answer
    x = 35,086.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.