Home / 49,430.40-74,070.78-32,730.63

Finding the Fourth Proportional to 49,430.40, 74,070.78 and 32,730.63

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Solution

The fourth proportional to 49,430.40, 74,070.78 and 32,730.63 is: 49,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,430.40 : 74,070.78 = 32,730.63 : x
  2. Step 2: Convert to fraction form
    49,430.40/74,070.78 = 32,730.63/x
  3. Step 3: Cross multiply
    49,430.40x = 74,070.78 × 32,730.63
  4. Step 4: Simplify right side
    49,430.40x = 2,424,383,293.99
  5. Step 5: Solve for x
    x = 2,424,383,293.99/49,430.40
  6. Step 6: Final answer
    x = 49,046.40

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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.