Home / 53,135.44-73,328.40-29,263.78

Finding the Fourth Proportional to 53,135.44, 73,328.40 and 29,263.78

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Solution

The fourth proportional to 53,135.44, 73,328.40 and 29,263.78 is: 40,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.44 : 73,328.40 = 29,263.78 : x
  2. Step 2: Convert to fraction form
    53,135.44/73,328.40 = 29,263.78/x
  3. Step 3: Cross multiply
    53,135.44x = 73,328.40 × 29,263.78
  4. Step 4: Simplify right side
    53,135.44x = 2,145,866,165.35
  5. Step 5: Solve for x
    x = 2,145,866,165.35/53,135.44
  6. Step 6: Final answer
    x = 40,384.84

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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.