Home / 75,157.01-103,693.20-43,321.58

Finding the Fourth Proportional to 75,157.01, 103,693.20 and 43,321.58

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Solution

The fourth proportional to 75,157.01, 103,693.20 and 43,321.58 is: 59,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,157.01 : 103,693.20 = 43,321.58 : x
  2. Step 2: Convert to fraction form
    75,157.01/103,693.20 = 43,321.58/x
  3. Step 3: Cross multiply
    75,157.01x = 103,693.20 × 43,321.58
  4. Step 4: Simplify right side
    75,157.01x = 4,492,153,259.26
  5. Step 5: Solve for x
    x = 4,492,153,259.26/75,157.01
  6. Step 6: Final answer
    x = 59,770.25

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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.