Home / 45,899.98-68,853.29-19,219.13

Finding the Fourth Proportional to 45,899.98, 68,853.29 and 19,219.13

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Solution

The fourth proportional to 45,899.98, 68,853.29 and 19,219.13 is: 28,830.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.98 : 68,853.29 = 19,219.13 : x
  2. Step 2: Convert to fraction form
    45,899.98/68,853.29 = 19,219.13/x
  3. Step 3: Cross multiply
    45,899.98x = 68,853.29 × 19,219.13
  4. Step 4: Simplify right side
    45,899.98x = 1,323,299,891.08
  5. Step 5: Solve for x
    x = 1,323,299,891.08/45,899.98
  6. Step 6: Final answer
    x = 28,830.08

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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.