Home / 53,699.85-74,105.79-29,828.74

Finding the Fourth Proportional to 53,699.85, 74,105.79 and 29,828.74

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Solution

The fourth proportional to 53,699.85, 74,105.79 and 29,828.74 is: 41,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.85 : 74,105.79 = 29,828.74 : x
  2. Step 2: Convert to fraction form
    53,699.85/74,105.79 = 29,828.74/x
  3. Step 3: Cross multiply
    53,699.85x = 74,105.79 × 29,828.74
  4. Step 4: Simplify right side
    53,699.85x = 2,210,482,527.67
  5. Step 5: Solve for x
    x = 2,210,482,527.67/53,699.85
  6. Step 6: Final answer
    x = 41,163.66

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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.