Home / 51,144.54-70,559.19-31,284.06

Finding the Fourth Proportional to 51,144.54, 70,559.19 and 31,284.06

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Solution

The fourth proportional to 51,144.54, 70,559.19 and 31,284.06 is: 43,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.54 : 70,559.19 = 31,284.06 : x
  2. Step 2: Convert to fraction form
    51,144.54/70,559.19 = 31,284.06/x
  3. Step 3: Cross multiply
    51,144.54x = 70,559.19 × 31,284.06
  4. Step 4: Simplify right side
    51,144.54x = 2,207,377,933.51
  5. Step 5: Solve for x
    x = 2,207,377,933.51/51,144.54
  6. Step 6: Final answer
    x = 43,159.60

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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.