Home / 51,335.70-70,843.26-31,199.07

Finding the Fourth Proportional to 51,335.70, 70,843.26 and 31,199.07

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Solution

The fourth proportional to 51,335.70, 70,843.26 and 31,199.07 is: 43,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.70 : 70,843.26 = 31,199.07 : x
  2. Step 2: Convert to fraction form
    51,335.70/70,843.26 = 31,199.07/x
  3. Step 3: Cross multiply
    51,335.70x = 70,843.26 × 31,199.07
  4. Step 4: Simplify right side
    51,335.70x = 2,210,243,827.77
  5. Step 5: Solve for x
    x = 2,210,243,827.77/51,335.70
  6. Step 6: Final answer
    x = 43,054.71

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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.