Home / 49,602.48-74,403.84-12,162.72

Finding the Fourth Proportional to 49,602.48, 74,403.84 and 12,162.72

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Solution

The fourth proportional to 49,602.48, 74,403.84 and 12,162.72 is: 18,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,602.48 : 74,403.84 = 12,162.72 : x
  2. Step 2: Convert to fraction form
    49,602.48/74,403.84 = 12,162.72/x
  3. Step 3: Cross multiply
    49,602.48x = 74,403.84 × 12,162.72
  4. Step 4: Simplify right side
    49,602.48x = 904,953,072.84
  5. Step 5: Solve for x
    x = 904,953,072.84/49,602.48
  6. Step 6: Final answer
    x = 18,244.11

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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.