Home / 75,158.10-103,694.58-43,322.58

Finding the Fourth Proportional to 75,158.10, 103,694.58 and 43,322.58

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Solution

The fourth proportional to 75,158.10, 103,694.58 and 43,322.58 is: 59,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,158.10 : 103,694.58 = 43,322.58 : x
  2. Step 2: Convert to fraction form
    75,158.10/103,694.58 = 43,322.58/x
  3. Step 3: Cross multiply
    75,158.10x = 103,694.58 × 43,322.58
  4. Step 4: Simplify right side
    75,158.10x = 4,492,316,737.62
  5. Step 5: Solve for x
    x = 4,492,316,737.62/75,158.10
  6. Step 6: Final answer
    x = 59,771.56

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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.