Home / 45,694.58-63,074.40-31,401.74

Finding the Fourth Proportional to 45,694.58, 63,074.40 and 31,401.74

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Solution

The fourth proportional to 45,694.58, 63,074.40 and 31,401.74 is: 43,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,694.58 : 63,074.40 = 31,401.74 : x
  2. Step 2: Convert to fraction form
    45,694.58/63,074.40 = 31,401.74/x
  3. Step 3: Cross multiply
    45,694.58x = 63,074.40 × 31,401.74
  4. Step 4: Simplify right side
    45,694.58x = 1,980,645,437.08
  5. Step 5: Solve for x
    x = 1,980,645,437.08/45,694.58
  6. Step 6: Final answer
    x = 43,345.31

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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.