Home / 45,625.50-68,438.17-14,458.32

Finding the Fourth Proportional to 45,625.50, 68,438.17 and 14,458.32

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Solution

The fourth proportional to 45,625.50, 68,438.17 and 14,458.32 is: 21,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,625.50 : 68,438.17 = 14,458.32 : x
  2. Step 2: Convert to fraction form
    45,625.50/68,438.17 = 14,458.32/x
  3. Step 3: Cross multiply
    45,625.50x = 68,438.17 × 14,458.32
  4. Step 4: Simplify right side
    45,625.50x = 989,500,962.07
  5. Step 5: Solve for x
    x = 989,500,962.07/45,625.50
  6. Step 6: Final answer
    x = 21,687.45

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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.