Home / 75,300.32-103,915.23-41,308.87

Finding the Fourth Proportional to 75,300.32, 103,915.23 and 41,308.87

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Solution

The fourth proportional to 75,300.32, 103,915.23 and 41,308.87 is: 57,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.32 : 103,915.23 = 41,308.87 : x
  2. Step 2: Convert to fraction form
    75,300.32/103,915.23 = 41,308.87/x
  3. Step 3: Cross multiply
    75,300.32x = 103,915.23 × 41,308.87
  4. Step 4: Simplify right side
    75,300.32x = 4,292,620,727.09
  5. Step 5: Solve for x
    x = 4,292,620,727.09/75,300.32
  6. Step 6: Final answer
    x = 57,006.67

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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.