Home / 47,205.34-65,149.59-28,343.68

Finding the Fourth Proportional to 47,205.34, 65,149.59 and 28,343.68

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Solution

The fourth proportional to 47,205.34, 65,149.59 and 28,343.68 is: 39,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,205.34 : 65,149.59 = 28,343.68 : x
  2. Step 2: Convert to fraction form
    47,205.34/65,149.59 = 28,343.68/x
  3. Step 3: Cross multiply
    47,205.34x = 65,149.59 × 28,343.68
  4. Step 4: Simplify right side
    47,205.34x = 1,846,579,131.09
  5. Step 5: Solve for x
    x = 1,846,579,131.09/47,205.34
  6. Step 6: Final answer
    x = 39,118.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.