Home / 82,405.48-113,718.54-44,679.64

Finding the Fourth Proportional to 82,405.48, 113,718.54 and 44,679.64

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Solution

The fourth proportional to 82,405.48, 113,718.54 and 44,679.64 is: 61,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,405.48 : 113,718.54 = 44,679.64 : x
  2. Step 2: Convert to fraction form
    82,405.48/113,718.54 = 44,679.64/x
  3. Step 3: Cross multiply
    82,405.48x = 113,718.54 × 44,679.64
  4. Step 4: Simplify right side
    82,405.48x = 5,080,903,428.53
  5. Step 5: Solve for x
    x = 5,080,903,428.53/82,405.48
  6. Step 6: Final answer
    x = 61,657.35

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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.