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Finding the Fourth Proportional to 70,012.98, 104,953.02 and 27,918.90

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Solution

The fourth proportional to 70,012.98, 104,953.02 and 27,918.90 is: 41,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.98 : 104,953.02 = 27,918.90 : x
  2. Step 2: Convert to fraction form
    70,012.98/104,953.02 = 27,918.90/x
  3. Step 3: Cross multiply
    70,012.98x = 104,953.02 × 27,918.90
  4. Step 4: Simplify right side
    70,012.98x = 2,930,172,870.08
  5. Step 5: Solve for x
    x = 2,930,172,870.08/70,012.98
  6. Step 6: Final answer
    x = 41,851.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.