Home / 56,848.96-78,436.38-54,606.88

Finding the Fourth Proportional to 56,848.96, 78,436.38 and 54,606.88

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Solution

The fourth proportional to 56,848.96, 78,436.38 and 54,606.88 is: 75,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,848.96 : 78,436.38 = 54,606.88 : x
  2. Step 2: Convert to fraction form
    56,848.96/78,436.38 = 54,606.88/x
  3. Step 3: Cross multiply
    56,848.96x = 78,436.38 × 54,606.88
  4. Step 4: Simplify right side
    56,848.96x = 4,283,165,990.29
  5. Step 5: Solve for x
    x = 4,283,165,990.29/56,848.96
  6. Step 6: Final answer
    x = 75,342.91

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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.