Home / 70,548.20-105,821.34-31,094.12

Finding the Fourth Proportional to 70,548.20, 105,821.34 and 31,094.12

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Solution

The fourth proportional to 70,548.20, 105,821.34 and 31,094.12 is: 46,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,548.20 : 105,821.34 = 31,094.12 : x
  2. Step 2: Convert to fraction form
    70,548.20/105,821.34 = 31,094.12/x
  3. Step 3: Cross multiply
    70,548.20x = 105,821.34 × 31,094.12
  4. Step 4: Simplify right side
    70,548.20x = 3,290,421,444.52
  5. Step 5: Solve for x
    x = 3,290,421,444.52/70,548.20
  6. Step 6: Final answer
    x = 46,640.76

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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.