Home / 70,196.13-105,312.67-25,222.03

Finding the Fourth Proportional to 70,196.13, 105,312.67 and 25,222.03

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Solution

The fourth proportional to 70,196.13, 105,312.67 and 25,222.03 is: 37,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,196.13 : 105,312.67 = 25,222.03 : x
  2. Step 2: Convert to fraction form
    70,196.13/105,312.67 = 25,222.03/x
  3. Step 3: Cross multiply
    70,196.13x = 105,312.67 × 25,222.03
  4. Step 4: Simplify right side
    70,196.13x = 2,656,199,623.64
  5. Step 5: Solve for x
    x = 2,656,199,623.64/70,196.13
  6. Step 6: Final answer
    x = 37,839.69

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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.