Home / 78,485.73-108,308.01-44,497.35

Finding the Fourth Proportional to 78,485.73, 108,308.01 and 44,497.35

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Solution

The fourth proportional to 78,485.73, 108,308.01 and 44,497.35 is: 61,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,485.73 : 108,308.01 = 44,497.35 : x
  2. Step 2: Convert to fraction form
    78,485.73/108,308.01 = 44,497.35/x
  3. Step 3: Cross multiply
    78,485.73x = 108,308.01 × 44,497.35
  4. Step 4: Simplify right side
    78,485.73x = 4,819,419,428.77
  5. Step 5: Solve for x
    x = 4,819,419,428.77/78,485.73
  6. Step 6: Final answer
    x = 61,405.04

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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.