Home / 75,020.13-112,452.44-35,547.21

Finding the Fourth Proportional to 75,020.13, 112,452.44 and 35,547.21

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Solution

The fourth proportional to 75,020.13, 112,452.44 and 35,547.21 is: 53,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.13 : 112,452.44 = 35,547.21 : x
  2. Step 2: Convert to fraction form
    75,020.13/112,452.44 = 35,547.21/x
  3. Step 3: Cross multiply
    75,020.13x = 112,452.44 × 35,547.21
  4. Step 4: Simplify right side
    75,020.13x = 3,997,370,321.96
  5. Step 5: Solve for x
    x = 3,997,370,321.96/75,020.13
  6. Step 6: Final answer
    x = 53,283.97

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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.