Home / 67,247.19-92,801.39-40,390.16

Finding the Fourth Proportional to 67,247.19, 92,801.39 and 40,390.16

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Solution

The fourth proportional to 67,247.19, 92,801.39 and 40,390.16 is: 55,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.19 : 92,801.39 = 40,390.16 : x
  2. Step 2: Convert to fraction form
    67,247.19/92,801.39 = 40,390.16/x
  3. Step 3: Cross multiply
    67,247.19x = 92,801.39 × 40,390.16
  4. Step 4: Simplify right side
    67,247.19x = 3,748,262,324.36
  5. Step 5: Solve for x
    x = 3,748,262,324.36/67,247.19
  6. Step 6: Final answer
    x = 55,738.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.