Home / 51,366.26-70,883.83-30,145.07

Finding the Fourth Proportional to 51,366.26, 70,883.83 and 30,145.07

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Solution

The fourth proportional to 51,366.26, 70,883.83 and 30,145.07 is: 41,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,366.26 : 70,883.83 = 30,145.07 : x
  2. Step 2: Convert to fraction form
    51,366.26/70,883.83 = 30,145.07/x
  3. Step 3: Cross multiply
    51,366.26x = 70,883.83 × 30,145.07
  4. Step 4: Simplify right side
    51,366.26x = 2,136,798,017.22
  5. Step 5: Solve for x
    x = 2,136,798,017.22/51,366.26
  6. Step 6: Final answer
    x = 41,599.25

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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.