Home / 98,964.51-136,589.30-56,523.03

Finding the Fourth Proportional to 98,964.51, 136,589.30 and 56,523.03

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Solution

The fourth proportional to 98,964.51, 136,589.30 and 56,523.03 is: 78,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,964.51 : 136,589.30 = 56,523.03 : x
  2. Step 2: Convert to fraction form
    98,964.51/136,589.30 = 56,523.03/x
  3. Step 3: Cross multiply
    98,964.51x = 136,589.30 × 56,523.03
  4. Step 4: Simplify right side
    98,964.51x = 7,720,441,101.58
  5. Step 5: Solve for x
    x = 7,720,441,101.58/98,964.51
  6. Step 6: Final answer
    x = 78,012.22

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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.