Home / 86,013.36-118,696.14-47,771.76

Finding the Fourth Proportional to 86,013.36, 118,696.14 and 47,771.76

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Solution

The fourth proportional to 86,013.36, 118,696.14 and 47,771.76 is: 65,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,013.36 : 118,696.14 = 47,771.76 : x
  2. Step 2: Convert to fraction form
    86,013.36/118,696.14 = 47,771.76/x
  3. Step 3: Cross multiply
    86,013.36x = 118,696.14 × 47,771.76
  4. Step 4: Simplify right side
    86,013.36x = 5,670,323,513.01
  5. Step 5: Solve for x
    x = 5,670,323,513.01/86,013.36
  6. Step 6: Final answer
    x = 65,923.75

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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.