Home / 55,104.48-76,075.44-42,159.42

Finding the Fourth Proportional to 55,104.48, 76,075.44 and 42,159.42

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Solution

The fourth proportional to 55,104.48, 76,075.44 and 42,159.42 is: 58,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,104.48 : 76,075.44 = 42,159.42 : x
  2. Step 2: Convert to fraction form
    55,104.48/76,075.44 = 42,159.42/x
  3. Step 3: Cross multiply
    55,104.48x = 76,075.44 × 42,159.42
  4. Step 4: Simplify right side
    55,104.48x = 3,207,296,426.64
  5. Step 5: Solve for x
    x = 3,207,296,426.64/55,104.48
  6. Step 6: Final answer
    x = 58,203.91

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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.