Home / 43,812.57-65,671.93-31,294.63

Finding the Fourth Proportional to 43,812.57, 65,671.93 and 31,294.63

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Solution

The fourth proportional to 43,812.57, 65,671.93 and 31,294.63 is: 46,908.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.57 : 65,671.93 = 31,294.63 : x
  2. Step 2: Convert to fraction form
    43,812.57/65,671.93 = 31,294.63/x
  3. Step 3: Cross multiply
    43,812.57x = 65,671.93 × 31,294.63
  4. Step 4: Simplify right side
    43,812.57x = 2,055,178,750.74
  5. Step 5: Solve for x
    x = 2,055,178,750.74/43,812.57
  6. Step 6: Final answer
    x = 46,908.43

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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.