Home / 50,435.16-75,643-15,378.36

Finding the Fourth Proportional to 50,435.16, 75,643 and 15,378.36

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Solution

The fourth proportional to 50,435.16, 75,643 and 15,378.36 is: 23,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,435.16 : 75,643 = 15,378.36 : x
  2. Step 2: Convert to fraction form
    50,435.16/75,643 = 15,378.36/x
  3. Step 3: Cross multiply
    50,435.16x = 75,643 × 15,378.36
  4. Step 4: Simplify right side
    50,435.16x = 1,163,265,285.48
  5. Step 5: Solve for x
    x = 1,163,265,285.48/50,435.16
  6. Step 6: Final answer
    x = 23,064.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.