Home / 53,835.50-74,287.47-31,181.85

Finding the Fourth Proportional to 53,835.50, 74,287.47 and 31,181.85

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Solution

The fourth proportional to 53,835.50, 74,287.47 and 31,181.85 is: 43,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,835.50 : 74,287.47 = 31,181.85 : x
  2. Step 2: Convert to fraction form
    53,835.50/74,287.47 = 31,181.85/x
  3. Step 3: Cross multiply
    53,835.50x = 74,287.47 × 31,181.85
  4. Step 4: Simplify right side
    53,835.50x = 2,316,420,746.42
  5. Step 5: Solve for x
    x = 2,316,420,746.42/53,835.50
  6. Step 6: Final answer
    x = 43,027.76

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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.