Home / 52,215.68-78,333.36-17,157.32

Finding the Fourth Proportional to 52,215.68, 78,333.36 and 17,157.32

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Solution

The fourth proportional to 52,215.68, 78,333.36 and 17,157.32 is: 25,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.68 : 78,333.36 = 17,157.32 : x
  2. Step 2: Convert to fraction form
    52,215.68/78,333.36 = 17,157.32/x
  3. Step 3: Cross multiply
    52,215.68x = 78,333.36 × 17,157.32
  4. Step 4: Simplify right side
    52,215.68x = 1,343,990,524.20
  5. Step 5: Solve for x
    x = 1,343,990,524.20/52,215.68
  6. Step 6: Final answer
    x = 25,739.21

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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.