Home / 53,077.17-73,245.72-28,878.51

Finding the Fourth Proportional to 53,077.17, 73,245.72 and 28,878.51

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Solution

The fourth proportional to 53,077.17, 73,245.72 and 28,878.51 is: 39,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,077.17 : 73,245.72 = 28,878.51 : x
  2. Step 2: Convert to fraction form
    53,077.17/73,245.72 = 28,878.51/x
  3. Step 3: Cross multiply
    53,077.17x = 73,245.72 × 28,878.51
  4. Step 4: Simplify right side
    53,077.17x = 2,115,227,257.48
  5. Step 5: Solve for x
    x = 2,115,227,257.48/53,077.17
  6. Step 6: Final answer
    x = 39,851.92

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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.