Home / 70,076.04-105,051.56-25,692.47

Finding the Fourth Proportional to 70,076.04, 105,051.56 and 25,692.47

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Solution

The fourth proportional to 70,076.04, 105,051.56 and 25,692.47 is: 38,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,076.04 : 105,051.56 = 25,692.47 : x
  2. Step 2: Convert to fraction form
    70,076.04/105,051.56 = 25,692.47/x
  3. Step 3: Cross multiply
    70,076.04x = 105,051.56 × 25,692.47
  4. Step 4: Simplify right side
    70,076.04x = 2,699,033,570.78
  5. Step 5: Solve for x
    x = 2,699,033,570.78/70,076.04
  6. Step 6: Final answer
    x = 38,515.79

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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.