Home / 51,135.37-70,566.63-28,474.64

Finding the Fourth Proportional to 51,135.37, 70,566.63 and 28,474.64

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Solution

The fourth proportional to 51,135.37, 70,566.63 and 28,474.64 is: 39,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.37 : 70,566.63 = 28,474.64 : x
  2. Step 2: Convert to fraction form
    51,135.37/70,566.63 = 28,474.64/x
  3. Step 3: Cross multiply
    51,135.37x = 70,566.63 × 28,474.64
  4. Step 4: Simplify right side
    51,135.37x = 2,009,359,190.28
  5. Step 5: Solve for x
    x = 2,009,359,190.28/51,135.37
  6. Step 6: Final answer
    x = 39,294.90

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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.