Home / 55,347.48-76,376.52-31,470.84

Finding the Fourth Proportional to 55,347.48, 76,376.52 and 31,470.84

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Solution

The fourth proportional to 55,347.48, 76,376.52 and 31,470.84 is: 43,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.48 : 76,376.52 = 31,470.84 : x
  2. Step 2: Convert to fraction form
    55,347.48/76,376.52 = 31,470.84/x
  3. Step 3: Cross multiply
    55,347.48x = 76,376.52 × 31,470.84
  4. Step 4: Simplify right side
    55,347.48x = 2,403,633,240.68
  5. Step 5: Solve for x
    x = 2,403,633,240.68/55,347.48
  6. Step 6: Final answer
    x = 43,428.05

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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.