Home / 101,964.51-152,968.63-42,766.06

Finding the Fourth Proportional to 101,964.51, 152,968.63 and 42,766.06

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Solution

The fourth proportional to 101,964.51, 152,968.63 and 42,766.06 is: 64,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,964.51 : 152,968.63 = 42,766.06 : x
  2. Step 2: Convert to fraction form
    101,964.51/152,968.63 = 42,766.06/x
  3. Step 3: Cross multiply
    101,964.51x = 152,968.63 × 42,766.06
  4. Step 4: Simplify right side
    101,964.51x = 6,541,865,608.70
  5. Step 5: Solve for x
    x = 6,541,865,608.70/101,964.51
  6. Step 6: Final answer
    x = 64,158.26

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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.