Home / 67,554.84-101,277.60-28,141.56

Finding the Fourth Proportional to 67,554.84, 101,277.60 and 28,141.56

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Solution

The fourth proportional to 67,554.84, 101,277.60 and 28,141.56 is: 42,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,554.84 : 101,277.60 = 28,141.56 : x
  2. Step 2: Convert to fraction form
    67,554.84/101,277.60 = 28,141.56/x
  3. Step 3: Cross multiply
    67,554.84x = 101,277.60 × 28,141.56
  4. Step 4: Simplify right side
    67,554.84x = 2,850,109,657.06
  5. Step 5: Solve for x
    x = 2,850,109,657.06/67,554.84
  6. Step 6: Final answer
    x = 42,189.57

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1.5x scale

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.