Home / 70,034.23-105,035.33-20,113.93

Finding the Fourth Proportional to 70,034.23, 105,035.33 and 20,113.93

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Solution

The fourth proportional to 70,034.23, 105,035.33 and 20,113.93 is: 30,166.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,034.23 : 105,035.33 = 20,113.93 : x
  2. Step 2: Convert to fraction form
    70,034.23/105,035.33 = 20,113.93/x
  3. Step 3: Cross multiply
    70,034.23x = 105,035.33 × 20,113.93
  4. Step 4: Simplify right side
    70,034.23x = 2,112,673,174.58
  5. Step 5: Solve for x
    x = 2,112,673,174.58/70,034.23
  6. Step 6: Final answer
    x = 30,166.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.