Home / 49,070.80-73,606.20-42,072.40

Finding the Fourth Proportional to 49,070.80, 73,606.20 and 42,072.40

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Solution

The fourth proportional to 49,070.80, 73,606.20 and 42,072.40 is: 63,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,070.80 : 73,606.20 = 42,072.40 : x
  2. Step 2: Convert to fraction form
    49,070.80/73,606.20 = 42,072.40/x
  3. Step 3: Cross multiply
    49,070.80x = 73,606.20 × 42,072.40
  4. Step 4: Simplify right side
    49,070.80x = 3,096,789,488.88
  5. Step 5: Solve for x
    x = 3,096,789,488.88/49,070.80
  6. Step 6: Final answer
    x = 63,108.60

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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.