Home / 84,852.61-117,093.34-47,129.29

Finding the Fourth Proportional to 84,852.61, 117,093.34 and 47,129.29

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Solution

The fourth proportional to 84,852.61, 117,093.34 and 47,129.29 is: 65,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,852.61 : 117,093.34 = 47,129.29 : x
  2. Step 2: Convert to fraction form
    84,852.61/117,093.34 = 47,129.29/x
  3. Step 3: Cross multiply
    84,852.61x = 117,093.34 × 47,129.29
  4. Step 4: Simplify right side
    84,852.61x = 5,518,525,977.93
  5. Step 5: Solve for x
    x = 5,518,525,977.93/84,852.61
  6. Step 6: Final answer
    x = 65,036.61

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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.