Home / 75,284.26-103,889.16-45,051.73

Finding the Fourth Proportional to 75,284.26, 103,889.16 and 45,051.73

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Solution

The fourth proportional to 75,284.26, 103,889.16 and 45,051.73 is: 62,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.26 : 103,889.16 = 45,051.73 : x
  2. Step 2: Convert to fraction form
    75,284.26/103,889.16 = 45,051.73/x
  3. Step 3: Cross multiply
    75,284.26x = 103,889.16 × 45,051.73
  4. Step 4: Simplify right side
    75,284.26x = 4,680,386,386.25
  5. Step 5: Solve for x
    x = 4,680,386,386.25/75,284.26
  6. Step 6: Final answer
    x = 62,169.52

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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.