Home / 53,795.76-74,234.10-31,134.84

Finding the Fourth Proportional to 53,795.76, 74,234.10 and 31,134.84

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Solution

The fourth proportional to 53,795.76, 74,234.10 and 31,134.84 is: 42,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,795.76 : 74,234.10 = 31,134.84 : x
  2. Step 2: Convert to fraction form
    53,795.76/74,234.10 = 31,134.84/x
  3. Step 3: Cross multiply
    53,795.76x = 74,234.10 × 31,134.84
  4. Step 4: Simplify right side
    53,795.76x = 2,311,266,826.04
  5. Step 5: Solve for x
    x = 2,311,266,826.04/53,795.76
  6. Step 6: Final answer
    x = 42,963.74

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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.