Home / 75,915.14-104,790.85-45,701.87

Finding the Fourth Proportional to 75,915.14, 104,790.85 and 45,701.87

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Solution

The fourth proportional to 75,915.14, 104,790.85 and 45,701.87 is: 63,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,915.14 : 104,790.85 = 45,701.87 : x
  2. Step 2: Convert to fraction form
    75,915.14/104,790.85 = 45,701.87/x
  3. Step 3: Cross multiply
    75,915.14x = 104,790.85 × 45,701.87
  4. Step 4: Simplify right side
    75,915.14x = 4,789,137,165.68
  5. Step 5: Solve for x
    x = 4,789,137,165.68/75,915.14
  6. Step 6: Final answer
    x = 63,085.41

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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.