Home / 70,068.48-96,696.62-39,858.13

Finding the Fourth Proportional to 70,068.48, 96,696.62 and 39,858.13

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Solution

The fourth proportional to 70,068.48, 96,696.62 and 39,858.13 is: 55,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,068.48 : 96,696.62 = 39,858.13 : x
  2. Step 2: Convert to fraction form
    70,068.48/96,696.62 = 39,858.13/x
  3. Step 3: Cross multiply
    70,068.48x = 96,696.62 × 39,858.13
  4. Step 4: Simplify right side
    70,068.48x = 3,854,146,450.52
  5. Step 5: Solve for x
    x = 3,854,146,450.52/70,068.48
  6. Step 6: Final answer
    x = 55,005.42

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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.