Home / 51,103.20-70,534.80-34,108.32

Finding the Fourth Proportional to 51,103.20, 70,534.80 and 34,108.32

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Solution

The fourth proportional to 51,103.20, 70,534.80 and 34,108.32 is: 47,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,103.20 : 70,534.80 = 34,108.32 : x
  2. Step 2: Convert to fraction form
    51,103.20/70,534.80 = 34,108.32/x
  3. Step 3: Cross multiply
    51,103.20x = 70,534.80 × 34,108.32
  4. Step 4: Simplify right side
    51,103.20x = 2,405,823,529.54
  5. Step 5: Solve for x
    x = 2,405,823,529.54/51,103.20
  6. Step 6: Final answer
    x = 47,077.75

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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.