Home / 47,197.89-65,124.81-28,335.42

Finding the Fourth Proportional to 47,197.89, 65,124.81 and 28,335.42

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Solution

The fourth proportional to 47,197.89, 65,124.81 and 28,335.42 is: 39,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,197.89 : 65,124.81 = 28,335.42 : x
  2. Step 2: Convert to fraction form
    47,197.89/65,124.81 = 28,335.42/x
  3. Step 3: Cross multiply
    47,197.89x = 65,124.81 × 28,335.42
  4. Step 4: Simplify right side
    47,197.89x = 1,845,338,843.77
  5. Step 5: Solve for x
    x = 1,845,338,843.77/47,197.89
  6. Step 6: Final answer
    x = 39,097.91

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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.