Home / 55,374.76-76,415.70-50,916.52

Finding the Fourth Proportional to 55,374.76, 76,415.70 and 50,916.52

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Solution

The fourth proportional to 55,374.76, 76,415.70 and 50,916.52 is: 70,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.76 : 76,415.70 = 50,916.52 : x
  2. Step 2: Convert to fraction form
    55,374.76/76,415.70 = 50,916.52/x
  3. Step 3: Cross multiply
    55,374.76x = 76,415.70 × 50,916.52
  4. Step 4: Simplify right side
    55,374.76x = 3,890,821,517.36
  5. Step 5: Solve for x
    x = 3,890,821,517.36/55,374.76
  6. Step 6: Final answer
    x = 70,263.45

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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.