Home / 56,895.64-78,490.98-54,260.44

Finding the Fourth Proportional to 56,895.64, 78,490.98 and 54,260.44

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Solution

The fourth proportional to 56,895.64, 78,490.98 and 54,260.44 is: 74,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.64 : 78,490.98 = 54,260.44 : x
  2. Step 2: Convert to fraction form
    56,895.64/78,490.98 = 54,260.44/x
  3. Step 3: Cross multiply
    56,895.64x = 78,490.98 × 54,260.44
  4. Step 4: Simplify right side
    56,895.64x = 4,258,955,110.83
  5. Step 5: Solve for x
    x = 4,258,955,110.83/56,895.64
  6. Step 6: Final answer
    x = 74,855.56

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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.