Home / 113,282.50-169,690.44-66,422.38

Finding the Fourth Proportional to 113,282.50, 169,690.44 and 66,422.38

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Solution

The fourth proportional to 113,282.50, 169,690.44 and 66,422.38 is: 99,496.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,282.50 : 169,690.44 = 66,422.38 : x
  2. Step 2: Convert to fraction form
    113,282.50/169,690.44 = 66,422.38/x
  3. Step 3: Cross multiply
    113,282.50x = 169,690.44 × 66,422.38
  4. Step 4: Simplify right side
    113,282.50x = 11,271,242,888.05
  5. Step 5: Solve for x
    x = 11,271,242,888.05/113,282.50
  6. Step 6: Final answer
    x = 99,496.77

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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.