Home / 145,045.82-217,570.22-43,844.70

Finding the Fourth Proportional to 145,045.82, 217,570.22 and 43,844.70

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Solution

The fourth proportional to 145,045.82, 217,570.22 and 43,844.70 is: 65,767.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,045.82 : 217,570.22 = 43,844.70 : x
  2. Step 2: Convert to fraction form
    145,045.82/217,570.22 = 43,844.70/x
  3. Step 3: Cross multiply
    145,045.82x = 217,570.22 × 43,844.70
  4. Step 4: Simplify right side
    145,045.82x = 9,539,300,805.61
  5. Step 5: Solve for x
    x = 9,539,300,805.61/145,045.82
  6. Step 6: Final answer
    x = 65,767.50

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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.