Home / 50,802.72-70,104.66-28,140.39

Finding the Fourth Proportional to 50,802.72, 70,104.66 and 28,140.39

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Solution

The fourth proportional to 50,802.72, 70,104.66 and 28,140.39 is: 38,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,802.72 : 70,104.66 = 28,140.39 : x
  2. Step 2: Convert to fraction form
    50,802.72/70,104.66 = 28,140.39/x
  3. Step 3: Cross multiply
    50,802.72x = 70,104.66 × 28,140.39
  4. Step 4: Simplify right side
    50,802.72x = 1,972,772,367.69
  5. Step 5: Solve for x
    x = 1,972,772,367.69/50,802.72
  6. Step 6: Final answer
    x = 38,832.03

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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.