Home / 76,631.58-105,752.52-43,097.58

Finding the Fourth Proportional to 76,631.58, 105,752.52 and 43,097.58

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Solution

The fourth proportional to 76,631.58, 105,752.52 and 43,097.58 is: 59,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,631.58 : 105,752.52 = 43,097.58 : x
  2. Step 2: Convert to fraction form
    76,631.58/105,752.52 = 43,097.58/x
  3. Step 3: Cross multiply
    76,631.58x = 105,752.52 × 43,097.58
  4. Step 4: Simplify right side
    76,631.58x = 4,557,677,690.90
  5. Step 5: Solve for x
    x = 4,557,677,690.90/76,631.58
  6. Step 6: Final answer
    x = 59,475.19

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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.