Home / 55,343.41-76,366.89-31,470.59

Finding the Fourth Proportional to 55,343.41, 76,366.89 and 31,470.59

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Solution

The fourth proportional to 55,343.41, 76,366.89 and 31,470.59 is: 43,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.41 : 76,366.89 = 31,470.59 : x
  2. Step 2: Convert to fraction form
    55,343.41/76,366.89 = 31,470.59/x
  3. Step 3: Cross multiply
    55,343.41x = 76,366.89 × 31,470.59
  4. Step 4: Simplify right side
    55,343.41x = 2,403,311,084.77
  5. Step 5: Solve for x
    x = 2,403,311,084.77/55,343.41
  6. Step 6: Final answer
    x = 43,425.42

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1.5x scale

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.