Home / 75,151.85-103,685.96-43,316.33

Finding the Fourth Proportional to 75,151.85, 103,685.96 and 43,316.33

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Solution

The fourth proportional to 75,151.85, 103,685.96 and 43,316.33 is: 59,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.85 : 103,685.96 = 43,316.33 : x
  2. Step 2: Convert to fraction form
    75,151.85/103,685.96 = 43,316.33/x
  3. Step 3: Cross multiply
    75,151.85x = 103,685.96 × 43,316.33
  4. Step 4: Simplify right side
    75,151.85x = 4,491,295,043.15
  5. Step 5: Solve for x
    x = 4,491,295,043.15/75,151.85
  6. Step 6: Final answer
    x = 59,762.93

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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.