Home / 75,172.44-103,736.70-41,637.72

Finding the Fourth Proportional to 75,172.44, 103,736.70 and 41,637.72

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Solution

The fourth proportional to 75,172.44, 103,736.70 and 41,637.72 is: 57,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,172.44 : 103,736.70 = 41,637.72 : x
  2. Step 2: Convert to fraction form
    75,172.44/103,736.70 = 41,637.72/x
  3. Step 3: Cross multiply
    75,172.44x = 103,736.70 × 41,637.72
  4. Step 4: Simplify right side
    75,172.44x = 4,319,359,668.32
  5. Step 5: Solve for x
    x = 4,319,359,668.32/75,172.44
  6. Step 6: Final answer
    x = 57,459.35

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1.5x scale

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.