Home / 121,747.10-168,027.69-70,063.13

Finding the Fourth Proportional to 121,747.10, 168,027.69 and 70,063.13

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Solution

The fourth proportional to 121,747.10, 168,027.69 and 70,063.13 is: 96,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,747.10 : 168,027.69 = 70,063.13 : x
  2. Step 2: Convert to fraction form
    121,747.10/168,027.69 = 70,063.13/x
  3. Step 3: Cross multiply
    121,747.10x = 168,027.69 × 70,063.13
  4. Step 4: Simplify right side
    121,747.10x = 11,772,545,888.07
  5. Step 5: Solve for x
    x = 11,772,545,888.07/121,747.10
  6. Step 6: Final answer
    x = 96,696.73

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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.