Home / 53,834.10-74,290.32-29,960.78

Finding the Fourth Proportional to 53,834.10, 74,290.32 and 29,960.78

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Solution

The fourth proportional to 53,834.10, 74,290.32 and 29,960.78 is: 41,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,834.10 : 74,290.32 = 29,960.78 : x
  2. Step 2: Convert to fraction form
    53,834.10/74,290.32 = 29,960.78/x
  3. Step 3: Cross multiply
    53,834.10x = 74,290.32 × 29,960.78
  4. Step 4: Simplify right side
    53,834.10x = 2,225,795,562.20
  5. Step 5: Solve for x
    x = 2,225,795,562.20/53,834.10
  6. Step 6: Final answer
    x = 41,345.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.