Home / 104,025.90-156,127.32-40,890.24

Finding the Fourth Proportional to 104,025.90, 156,127.32 and 40,890.24

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Solution

The fourth proportional to 104,025.90, 156,127.32 and 40,890.24 is: 61,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.90 : 156,127.32 = 40,890.24 : x
  2. Step 2: Convert to fraction form
    104,025.90/156,127.32 = 40,890.24/x
  3. Step 3: Cross multiply
    104,025.90x = 156,127.32 × 40,890.24
  4. Step 4: Simplify right side
    104,025.90x = 6,384,083,585.36
  5. Step 5: Solve for x
    x = 6,384,083,585.36/104,025.90
  6. Step 6: Final answer
    x = 61,370.14

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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.