Home / 56,405.05-77,830.55-34,916.41

Finding the Fourth Proportional to 56,405.05, 77,830.55 and 34,916.41

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Solution

The fourth proportional to 56,405.05, 77,830.55 and 34,916.41 is: 48,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.05 : 77,830.55 = 34,916.41 : x
  2. Step 2: Convert to fraction form
    56,405.05/77,830.55 = 34,916.41/x
  3. Step 3: Cross multiply
    56,405.05x = 77,830.55 × 34,916.41
  4. Step 4: Simplify right side
    56,405.05x = 2,717,563,005.17
  5. Step 5: Solve for x
    x = 2,717,563,005.17/56,405.05
  6. Step 6: Final answer
    x = 48,179.43

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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.