Home / 84,834.10-117,071.28-47,108.35

Finding the Fourth Proportional to 84,834.10, 117,071.28 and 47,108.35

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Solution

The fourth proportional to 84,834.10, 117,071.28 and 47,108.35 is: 65,009.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,834.10 : 117,071.28 = 47,108.35 : x
  2. Step 2: Convert to fraction form
    84,834.10/117,071.28 = 47,108.35/x
  3. Step 3: Cross multiply
    84,834.10x = 117,071.28 × 47,108.35
  4. Step 4: Simplify right side
    84,834.10x = 5,515,034,833.19
  5. Step 5: Solve for x
    x = 5,515,034,833.19/84,834.10
  6. Step 6: Final answer
    x = 65,009.65

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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.