Home / 56,933.61-78,568.36-31,783.11

Finding the Fourth Proportional to 56,933.61, 78,568.36 and 31,783.11

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Solution

The fourth proportional to 56,933.61, 78,568.36 and 31,783.11 is: 43,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,933.61 : 78,568.36 = 31,783.11 : x
  2. Step 2: Convert to fraction form
    56,933.61/78,568.36 = 31,783.11/x
  3. Step 3: Cross multiply
    56,933.61x = 78,568.36 × 31,783.11
  4. Step 4: Simplify right side
    56,933.61x = 2,497,146,828.40
  5. Step 5: Solve for x
    x = 2,497,146,828.40/56,933.61
  6. Step 6: Final answer
    x = 43,860.68

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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.