Home / 50,315.18-75,439.64-28,161.26

Finding the Fourth Proportional to 50,315.18, 75,439.64 and 28,161.26

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Solution

The fourth proportional to 50,315.18, 75,439.64 and 28,161.26 is: 42,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,315.18 : 75,439.64 = 28,161.26 : x
  2. Step 2: Convert to fraction form
    50,315.18/75,439.64 = 28,161.26/x
  3. Step 3: Cross multiply
    50,315.18x = 75,439.64 × 28,161.26
  4. Step 4: Simplify right side
    50,315.18x = 2,124,475,316.35
  5. Step 5: Solve for x
    x = 2,124,475,316.35/50,315.18
  6. Step 6: Final answer
    x = 42,223.35

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1.5x scale

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.