Home / 46,025.10-69,033.60-12,742.20

Finding the Fourth Proportional to 46,025.10, 69,033.60 and 12,742.20

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Solution

The fourth proportional to 46,025.10, 69,033.60 and 12,742.20 is: 19,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,025.10 : 69,033.60 = 12,742.20 : x
  2. Step 2: Convert to fraction form
    46,025.10/69,033.60 = 12,742.20/x
  3. Step 3: Cross multiply
    46,025.10x = 69,033.60 × 12,742.20
  4. Step 4: Simplify right side
    46,025.10x = 879,639,937.92
  5. Step 5: Solve for x
    x = 879,639,937.92/46,025.10
  6. Step 6: Final answer
    x = 19,112.18

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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.