Home / 76,962.40-115,455.75-32,589.43

Finding the Fourth Proportional to 76,962.40, 115,455.75 and 32,589.43

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Solution

The fourth proportional to 76,962.40, 115,455.75 and 32,589.43 is: 48,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.40 : 115,455.75 = 32,589.43 : x
  2. Step 2: Convert to fraction form
    76,962.40/115,455.75 = 32,589.43/x
  3. Step 3: Cross multiply
    76,962.40x = 115,455.75 × 32,589.43
  4. Step 4: Simplify right side
    76,962.40x = 3,762,637,082.72
  5. Step 5: Solve for x
    x = 3,762,637,082.72/76,962.40
  6. Step 6: Final answer
    x = 48,889.29

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1.5x scale

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.