Home / 49,456.80-74,185.20-14,397.60

Finding the Fourth Proportional to 49,456.80, 74,185.20 and 14,397.60

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Solution

The fourth proportional to 49,456.80, 74,185.20 and 14,397.60 is: 21,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,456.80 : 74,185.20 = 14,397.60 : x
  2. Step 2: Convert to fraction form
    49,456.80/74,185.20 = 14,397.60/x
  3. Step 3: Cross multiply
    49,456.80x = 74,185.20 × 14,397.60
  4. Step 4: Simplify right side
    49,456.80x = 1,068,088,835.52
  5. Step 5: Solve for x
    x = 1,068,088,835.52/49,456.80
  6. Step 6: Final answer
    x = 21,596.40

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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.