Home / 97,909.24-135,114.42-55,475.86

Finding the Fourth Proportional to 97,909.24, 135,114.42 and 55,475.86

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Solution

The fourth proportional to 97,909.24, 135,114.42 and 55,475.86 is: 76,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,909.24 : 135,114.42 = 55,475.86 : x
  2. Step 2: Convert to fraction form
    97,909.24/135,114.42 = 55,475.86/x
  3. Step 3: Cross multiply
    97,909.24x = 135,114.42 × 55,475.86
  4. Step 4: Simplify right side
    97,909.24x = 7,495,588,647.90
  5. Step 5: Solve for x
    x = 7,495,588,647.90/97,909.24
  6. Step 6: Final answer
    x = 76,556.50

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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.