Home / 66,240.63-91,411.18-36,025.30

Finding the Fourth Proportional to 66,240.63, 91,411.18 and 36,025.30

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Solution

The fourth proportional to 66,240.63, 91,411.18 and 36,025.30 is: 49,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,240.63 : 91,411.18 = 36,025.30 : x
  2. Step 2: Convert to fraction form
    66,240.63/91,411.18 = 36,025.30/x
  3. Step 3: Cross multiply
    66,240.63x = 91,411.18 × 36,025.30
  4. Step 4: Simplify right side
    66,240.63x = 3,293,115,207.05
  5. Step 5: Solve for x
    x = 3,293,115,207.05/66,240.63
  6. Step 6: Final answer
    x = 49,714.43

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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.