Home / 40,190.07-60,298.61-28,194.72

Finding the Fourth Proportional to 40,190.07, 60,298.61 and 28,194.72

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Solution

The fourth proportional to 40,190.07, 60,298.61 and 28,194.72 is: 42,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.07 : 60,298.61 = 28,194.72 : x
  2. Step 2: Convert to fraction form
    40,190.07/60,298.61 = 28,194.72/x
  3. Step 3: Cross multiply
    40,190.07x = 60,298.61 × 28,194.72
  4. Step 4: Simplify right side
    40,190.07x = 1,700,102,284.37
  5. Step 5: Solve for x
    x = 1,700,102,284.37/40,190.07
  6. Step 6: Final answer
    x = 42,301.55

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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.