Home / 121,049.20-167,068.29-70,063.30

Finding the Fourth Proportional to 121,049.20, 167,068.29 and 70,063.30

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Solution

The fourth proportional to 121,049.20, 167,068.29 and 70,063.30 is: 96,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,049.20 : 167,068.29 = 70,063.30 : x
  2. Step 2: Convert to fraction form
    121,049.20/167,068.29 = 70,063.30/x
  3. Step 3: Cross multiply
    121,049.20x = 167,068.29 × 70,063.30
  4. Step 4: Simplify right side
    121,049.20x = 11,705,355,722.76
  5. Step 5: Solve for x
    x = 11,705,355,722.76/121,049.20
  6. Step 6: Final answer
    x = 96,699.16

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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.