Home / 49,440.14-74,159.58-12,000.50

Finding the Fourth Proportional to 49,440.14, 74,159.58 and 12,000.50

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Solution

The fourth proportional to 49,440.14, 74,159.58 and 12,000.50 is: 18,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,440.14 : 74,159.58 = 12,000.50 : x
  2. Step 2: Convert to fraction form
    49,440.14/74,159.58 = 12,000.50/x
  3. Step 3: Cross multiply
    49,440.14x = 74,159.58 × 12,000.50
  4. Step 4: Simplify right side
    49,440.14x = 889,952,039.79
  5. Step 5: Solve for x
    x = 889,952,039.79/49,440.14
  6. Step 6: Final answer
    x = 18,000.60

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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.