Home / 75,466.26-104,120.70-45,240.56

Finding the Fourth Proportional to 75,466.26, 104,120.70 and 45,240.56

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Solution

The fourth proportional to 75,466.26, 104,120.70 and 45,240.56 is: 62,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466.26 : 104,120.70 = 45,240.56 : x
  2. Step 2: Convert to fraction form
    75,466.26/104,120.70 = 45,240.56/x
  3. Step 3: Cross multiply
    75,466.26x = 104,120.70 × 45,240.56
  4. Step 4: Simplify right side
    75,466.26x = 4,710,478,775.59
  5. Step 5: Solve for x
    x = 4,710,478,775.59/75,466.26
  6. Step 6: Final answer
    x = 62,418.34

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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.