Home / 98,775.22-136,308.75-53,452.21

Finding the Fourth Proportional to 98,775.22, 136,308.75 and 53,452.21

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Solution

The fourth proportional to 98,775.22, 136,308.75 and 53,452.21 is: 73,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,775.22 : 136,308.75 = 53,452.21 : x
  2. Step 2: Convert to fraction form
    98,775.22/136,308.75 = 53,452.21/x
  3. Step 3: Cross multiply
    98,775.22x = 136,308.75 × 53,452.21
  4. Step 4: Simplify right side
    98,775.22x = 7,286,003,929.84
  5. Step 5: Solve for x
    x = 7,286,003,929.84/98,775.22
  6. Step 6: Final answer
    x = 73,763.48

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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.