Home / 76,996.88-106,248.75-43,000.64

Finding the Fourth Proportional to 76,996.88, 106,248.75 and 43,000.64

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Solution

The fourth proportional to 76,996.88, 106,248.75 and 43,000.64 is: 59,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,996.88 : 106,248.75 = 43,000.64 : x
  2. Step 2: Convert to fraction form
    76,996.88/106,248.75 = 43,000.64/x
  3. Step 3: Cross multiply
    76,996.88x = 106,248.75 × 43,000.64
  4. Step 4: Simplify right side
    76,996.88x = 4,568,763,717.96
  5. Step 5: Solve for x
    x = 4,568,763,717.96/76,996.88
  6. Step 6: Final answer
    x = 59,337.00

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1.5x scale

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.