Home / 86,099.33-118,814.77-47,857.93

Finding the Fourth Proportional to 86,099.33, 118,814.77 and 47,857.93

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Solution

The fourth proportional to 86,099.33, 118,814.77 and 47,857.93 is: 66,042.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,099.33 : 118,814.77 = 47,857.93 : x
  2. Step 2: Convert to fraction form
    86,099.33/118,814.77 = 47,857.93/x
  3. Step 3: Cross multiply
    86,099.33x = 118,814.77 × 47,857.93
  4. Step 4: Simplify right side
    86,099.33x = 5,686,228,708.41
  5. Step 5: Solve for x
    x = 5,686,228,708.41/86,099.33
  6. Step 6: Final answer
    x = 66,042.66

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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.