Home / 45,525.58-68,331.03-28,029.58

Finding the Fourth Proportional to 45,525.58, 68,331.03 and 28,029.58

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Solution

The fourth proportional to 45,525.58, 68,331.03 and 28,029.58 is: 42,070.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.58 : 68,331.03 = 28,029.58 : x
  2. Step 2: Convert to fraction form
    45,525.58/68,331.03 = 28,029.58/x
  3. Step 3: Cross multiply
    45,525.58x = 68,331.03 × 28,029.58
  4. Step 4: Simplify right side
    45,525.58x = 1,915,290,071.87
  5. Step 5: Solve for x
    x = 1,915,290,071.87/45,525.58
  6. Step 6: Final answer
    x = 42,070.64

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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.