Home / 56,776.61-77,784.30-54,648.41

Finding the Fourth Proportional to 56,776.61, 77,784.30 and 54,648.41

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Solution

The fourth proportional to 56,776.61, 77,784.30 and 54,648.41 is: 74,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776.61 : 77,784.30 = 54,648.41 : x
  2. Step 2: Convert to fraction form
    56,776.61/77,784.30 = 54,648.41/x
  3. Step 3: Cross multiply
    56,776.61x = 77,784.30 × 54,648.41
  4. Step 4: Simplify right side
    56,776.61x = 4,250,788,044.72
  5. Step 5: Solve for x
    x = 4,250,788,044.72/56,776.61
  6. Step 6: Final answer
    x = 74,868.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.