Home / 96,421.60-133,057.92-56,136.52

Finding the Fourth Proportional to 96,421.60, 133,057.92 and 56,136.52

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Solution

The fourth proportional to 96,421.60, 133,057.92 and 56,136.52 is: 77,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,421.60 : 133,057.92 = 56,136.52 : x
  2. Step 2: Convert to fraction form
    96,421.60/133,057.92 = 56,136.52/x
  3. Step 3: Cross multiply
    96,421.60x = 133,057.92 × 56,136.52
  4. Step 4: Simplify right side
    96,421.60x = 7,469,408,587.24
  5. Step 5: Solve for x
    x = 7,469,408,587.24/96,421.60
  6. Step 6: Final answer
    x = 77,466.13

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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.