Home / 75,295.51-103,890.38-45,069.35

Finding the Fourth Proportional to 75,295.51, 103,890.38 and 45,069.35

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Solution

The fourth proportional to 75,295.51, 103,890.38 and 45,069.35 is: 62,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,295.51 : 103,890.38 = 45,069.35 : x
  2. Step 2: Convert to fraction form
    75,295.51/103,890.38 = 45,069.35/x
  3. Step 3: Cross multiply
    75,295.51x = 103,890.38 × 45,069.35
  4. Step 4: Simplify right side
    75,295.51x = 4,682,271,897.85
  5. Step 5: Solve for x
    x = 4,682,271,897.85/75,295.51
  6. Step 6: Final answer
    x = 62,185.27

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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.