Home / 65,328.39-97,992.63-43,136.55

Finding the Fourth Proportional to 65,328.39, 97,992.63 and 43,136.55

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Solution

The fourth proportional to 65,328.39, 97,992.63 and 43,136.55 is: 64,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,328.39 : 97,992.63 = 43,136.55 : x
  2. Step 2: Convert to fraction form
    65,328.39/97,992.63 = 43,136.55/x
  3. Step 3: Cross multiply
    65,328.39x = 97,992.63 × 43,136.55
  4. Step 4: Simplify right side
    65,328.39x = 4,227,063,983.63
  5. Step 5: Solve for x
    x = 4,227,063,983.63/65,328.39
  6. Step 6: Final answer
    x = 64,704.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.