Home / 82,199.03-113,436.47-45,405.17

Finding the Fourth Proportional to 82,199.03, 113,436.47 and 45,405.17

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Solution

The fourth proportional to 82,199.03, 113,436.47 and 45,405.17 is: 62,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,199.03 : 113,436.47 = 45,405.17 : x
  2. Step 2: Convert to fraction form
    82,199.03/113,436.47 = 45,405.17/x
  3. Step 3: Cross multiply
    82,199.03x = 113,436.47 × 45,405.17
  4. Step 4: Simplify right side
    82,199.03x = 5,150,601,750.88
  5. Step 5: Solve for x
    x = 5,150,601,750.88/82,199.03
  6. Step 6: Final answer
    x = 62,660.13

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1.5x scale

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.