Home / 47,190.40-65,123.21-25,970.15

Finding the Fourth Proportional to 47,190.40, 65,123.21 and 25,970.15

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Solution

The fourth proportional to 47,190.40, 65,123.21 and 25,970.15 is: 35,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,190.40 : 65,123.21 = 25,970.15 : x
  2. Step 2: Convert to fraction form
    47,190.40/65,123.21 = 25,970.15/x
  3. Step 3: Cross multiply
    47,190.40x = 65,123.21 × 25,970.15
  4. Step 4: Simplify right side
    47,190.40x = 1,691,259,532.18
  5. Step 5: Solve for x
    x = 1,691,259,532.18/47,190.40
  6. Step 6: Final answer
    x = 35,839.06

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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.