Home / 98,647.32-136,133.88-53,325.16

Finding the Fourth Proportional to 98,647.32, 136,133.88 and 53,325.16

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Solution

The fourth proportional to 98,647.32, 136,133.88 and 53,325.16 is: 73,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,647.32 : 136,133.88 = 53,325.16 : x
  2. Step 2: Convert to fraction form
    98,647.32/136,133.88 = 53,325.16/x
  3. Step 3: Cross multiply
    98,647.32x = 136,133.88 × 53,325.16
  4. Step 4: Simplify right side
    98,647.32x = 7,259,360,932.42
  5. Step 5: Solve for x
    x = 7,259,360,932.42/98,647.32
  6. Step 6: Final answer
    x = 73,589.03

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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.