Home / 97,577.42-134,655.09-55,135.04

Finding the Fourth Proportional to 97,577.42, 134,655.09 and 55,135.04

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Solution

The fourth proportional to 97,577.42, 134,655.09 and 55,135.04 is: 76,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,577.42 : 134,655.09 = 55,135.04 : x
  2. Step 2: Convert to fraction form
    97,577.42/134,655.09 = 55,135.04/x
  3. Step 3: Cross multiply
    97,577.42x = 134,655.09 × 55,135.04
  4. Step 4: Simplify right side
    97,577.42x = 7,424,213,773.35
  5. Step 5: Solve for x
    x = 7,424,213,773.35/97,577.42
  6. Step 6: Final answer
    x = 76,085.37

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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.