Home / 45,525.21-68,330.47-28,029.21

Finding the Fourth Proportional to 45,525.21, 68,330.47 and 28,029.21

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Solution

The fourth proportional to 45,525.21, 68,330.47 and 28,029.21 is: 42,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,525.21 : 68,330.47 = 28,029.21 : x
  2. Step 2: Convert to fraction form
    45,525.21/68,330.47 = 28,029.21/x
  3. Step 3: Cross multiply
    45,525.21x = 68,330.47 × 28,029.21
  4. Step 4: Simplify right side
    45,525.21x = 1,915,249,093.03
  5. Step 5: Solve for x
    x = 1,915,249,093.03/45,525.21
  6. Step 6: Final answer
    x = 42,070.08

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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.