Home / 62,971.09-86,877.27-35,731.40

Finding the Fourth Proportional to 62,971.09, 86,877.27 and 35,731.40

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Solution

The fourth proportional to 62,971.09, 86,877.27 and 35,731.40 is: 49,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,971.09 : 86,877.27 = 35,731.40 : x
  2. Step 2: Convert to fraction form
    62,971.09/86,877.27 = 35,731.40/x
  3. Step 3: Cross multiply
    62,971.09x = 86,877.27 × 35,731.40
  4. Step 4: Simplify right side
    62,971.09x = 3,104,246,485.28
  5. Step 5: Solve for x
    x = 3,104,246,485.28/62,971.09
  6. Step 6: Final answer
    x = 49,296.38

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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.