Home / 50,999.47-70,378.34-28,338.05

Finding the Fourth Proportional to 50,999.47, 70,378.34 and 28,338.05

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Solution

The fourth proportional to 50,999.47, 70,378.34 and 28,338.05 is: 39,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.47 : 70,378.34 = 28,338.05 : x
  2. Step 2: Convert to fraction form
    50,999.47/70,378.34 = 28,338.05/x
  3. Step 3: Cross multiply
    50,999.47x = 70,378.34 × 28,338.05
  4. Step 4: Simplify right side
    50,999.47x = 1,994,385,191.19
  5. Step 5: Solve for x
    x = 1,994,385,191.19/50,999.47
  6. Step 6: Final answer
    x = 39,106.00

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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.