Home / 53,428.02-73,764.26-34,315.50

Finding the Fourth Proportional to 53,428.02, 73,764.26 and 34,315.50

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Solution

The fourth proportional to 53,428.02, 73,764.26 and 34,315.50 is: 47,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.02 : 73,764.26 = 34,315.50 : x
  2. Step 2: Convert to fraction form
    53,428.02/73,764.26 = 34,315.50/x
  3. Step 3: Cross multiply
    53,428.02x = 73,764.26 × 34,315.50
  4. Step 4: Simplify right side
    53,428.02x = 2,531,257,464.03
  5. Step 5: Solve for x
    x = 2,531,257,464.03/53,428.02
  6. Step 6: Final answer
    x = 47,376.97

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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.