Home / 51,193.97-70,651.23-31,051.70

Finding the Fourth Proportional to 51,193.97, 70,651.23 and 31,051.70

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Solution

The fourth proportional to 51,193.97, 70,651.23 and 31,051.70 is: 42,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.97 : 70,651.23 = 31,051.70 : x
  2. Step 2: Convert to fraction form
    51,193.97/70,651.23 = 31,051.70/x
  3. Step 3: Cross multiply
    51,193.97x = 70,651.23 × 31,051.70
  4. Step 4: Simplify right side
    51,193.97x = 2,193,840,897.59
  5. Step 5: Solve for x
    x = 2,193,840,897.59/51,193.97
  6. Step 6: Final answer
    x = 42,853.50

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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.