Home / 45,740.98-68,611.31-30,045.06

Finding the Fourth Proportional to 45,740.98, 68,611.31 and 30,045.06

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Solution

The fourth proportional to 45,740.98, 68,611.31 and 30,045.06 is: 45,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.98 : 68,611.31 = 30,045.06 : x
  2. Step 2: Convert to fraction form
    45,740.98/68,611.31 = 30,045.06/x
  3. Step 3: Cross multiply
    45,740.98x = 68,611.31 × 30,045.06
  4. Step 4: Simplify right side
    45,740.98x = 2,061,430,925.63
  5. Step 5: Solve for x
    x = 2,061,430,925.63/45,740.98
  6. Step 6: Final answer
    x = 45,067.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.