Home / 80,848.40-111,579-45,044.24

Finding the Fourth Proportional to 80,848.40, 111,579 and 45,044.24

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Solution

The fourth proportional to 80,848.40, 111,579 and 45,044.24 is: 62,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,848.40 : 111,579 = 45,044.24 : x
  2. Step 2: Convert to fraction form
    80,848.40/111,579 = 45,044.24/x
  3. Step 3: Cross multiply
    80,848.40x = 111,579 × 45,044.24
  4. Step 4: Simplify right side
    80,848.40x = 5,025,991,254.96
  5. Step 5: Solve for x
    x = 5,025,991,254.96/80,848.40
  6. Step 6: Final answer
    x = 62,165.62

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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.