Home / 75,148.64-103,704.96-43,317.32

Finding the Fourth Proportional to 75,148.64, 103,704.96 and 43,317.32

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Solution

The fourth proportional to 75,148.64, 103,704.96 and 43,317.32 is: 59,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,148.64 : 103,704.96 = 43,317.32 : x
  2. Step 2: Convert to fraction form
    75,148.64/103,704.96 = 43,317.32/x
  3. Step 3: Cross multiply
    75,148.64x = 103,704.96 × 43,317.32
  4. Step 4: Simplify right side
    75,148.64x = 4,492,220,937.91
  5. Step 5: Solve for x
    x = 4,492,220,937.91/75,148.64
  6. Step 6: Final answer
    x = 59,777.81

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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.