Home / 85,968.51-118,631.22-47,725.83

Finding the Fourth Proportional to 85,968.51, 118,631.22 and 47,725.83

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Solution

The fourth proportional to 85,968.51, 118,631.22 and 47,725.83 is: 65,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,968.51 : 118,631.22 = 47,725.83 : x
  2. Step 2: Convert to fraction form
    85,968.51/118,631.22 = 47,725.83/x
  3. Step 3: Cross multiply
    85,968.51x = 118,631.22 × 47,725.83
  4. Step 4: Simplify right side
    85,968.51x = 5,661,773,438.41
  5. Step 5: Solve for x
    x = 5,661,773,438.41/85,968.51
  6. Step 6: Final answer
    x = 65,858.69

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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.