Home / 70,172.24-105,274.78-47,996.06

Finding the Fourth Proportional to 70,172.24, 105,274.78 and 47,996.06

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Solution

The fourth proportional to 70,172.24, 105,274.78 and 47,996.06 is: 72,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.24 : 105,274.78 = 47,996.06 : x
  2. Step 2: Convert to fraction form
    70,172.24/105,274.78 = 47,996.06/x
  3. Step 3: Cross multiply
    70,172.24x = 105,274.78 × 47,996.06
  4. Step 4: Simplify right side
    70,172.24x = 5,052,774,657.37
  5. Step 5: Solve for x
    x = 5,052,774,657.37/70,172.24
  6. Step 6: Final answer
    x = 72,005.32

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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.