Home / 101,968.02-152,973.88-42,769.58

Finding the Fourth Proportional to 101,968.02, 152,973.88 and 42,769.58

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Solution

The fourth proportional to 101,968.02, 152,973.88 and 42,769.58 is: 64,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,968.02 : 152,973.88 = 42,769.58 : x
  2. Step 2: Convert to fraction form
    101,968.02/152,973.88 = 42,769.58/x
  3. Step 3: Cross multiply
    101,968.02x = 152,973.88 × 42,769.58
  4. Step 4: Simplify right side
    101,968.02x = 6,542,627,726.78
  5. Step 5: Solve for x
    x = 6,542,627,726.78/101,968.02
  6. Step 6: Final answer
    x = 64,163.53

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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.