Home / 80,869.24-111,598.07-45,058.49

Finding the Fourth Proportional to 80,869.24, 111,598.07 and 45,058.49

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Solution

The fourth proportional to 80,869.24, 111,598.07 and 45,058.49 is: 62,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869.24 : 111,598.07 = 45,058.49 : x
  2. Step 2: Convert to fraction form
    80,869.24/111,598.07 = 45,058.49/x
  3. Step 3: Cross multiply
    80,869.24x = 111,598.07 × 45,058.49
  4. Step 4: Simplify right side
    80,869.24x = 5,028,440,521.11
  5. Step 5: Solve for x
    x = 5,028,440,521.11/80,869.24
  6. Step 6: Final answer
    x = 62,179.89

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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.