Home / 98,744.12-136,266.66-54,032.12

Finding the Fourth Proportional to 98,744.12, 136,266.66 and 54,032.12

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Solution

The fourth proportional to 98,744.12, 136,266.66 and 54,032.12 is: 74,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.12 : 136,266.66 = 54,032.12 : x
  2. Step 2: Convert to fraction form
    98,744.12/136,266.66 = 54,032.12/x
  3. Step 3: Cross multiply
    98,744.12x = 136,266.66 × 54,032.12
  4. Step 4: Simplify right side
    98,744.12x = 7,362,776,525.12
  5. Step 5: Solve for x
    x = 7,362,776,525.12/98,744.12
  6. Step 6: Final answer
    x = 74,564.20

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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.