Home / 70,142.24-105,218.70-23,395.16

Finding the Fourth Proportional to 70,142.24, 105,218.70 and 23,395.16

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Solution

The fourth proportional to 70,142.24, 105,218.70 and 23,395.16 is: 35,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,142.24 : 105,218.70 = 23,395.16 : x
  2. Step 2: Convert to fraction form
    70,142.24/105,218.70 = 23,395.16/x
  3. Step 3: Cross multiply
    70,142.24x = 105,218.70 × 23,395.16
  4. Step 4: Simplify right side
    70,142.24x = 2,461,608,321.49
  5. Step 5: Solve for x
    x = 2,461,608,321.49/70,142.24
  6. Step 6: Final answer
    x = 35,094.52

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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.