Home / 45,458.26-68,187.40-14,293.50

Finding the Fourth Proportional to 45,458.26, 68,187.40 and 14,293.50

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Solution

The fourth proportional to 45,458.26, 68,187.40 and 14,293.50 is: 21,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,458.26 : 68,187.40 = 14,293.50 : x
  2. Step 2: Convert to fraction form
    45,458.26/68,187.40 = 14,293.50/x
  3. Step 3: Cross multiply
    45,458.26x = 68,187.40 × 14,293.50
  4. Step 4: Simplify right side
    45,458.26x = 974,636,601.90
  5. Step 5: Solve for x
    x = 974,636,601.90/45,458.26
  6. Step 6: Final answer
    x = 21,440.25

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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.