Home / 47,880.90-66,076.29-26,660.70

Finding the Fourth Proportional to 47,880.90, 66,076.29 and 26,660.70

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Solution

The fourth proportional to 47,880.90, 66,076.29 and 26,660.70 is: 36,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880.90 : 66,076.29 = 26,660.70 : x
  2. Step 2: Convert to fraction form
    47,880.90/66,076.29 = 26,660.70/x
  3. Step 3: Cross multiply
    47,880.90x = 66,076.29 × 26,660.70
  4. Step 4: Simplify right side
    47,880.90x = 1,761,640,144.80
  5. Step 5: Solve for x
    x = 1,761,640,144.80/47,880.90
  6. Step 6: Final answer
    x = 36,792.13

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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.