Home / 81,047.03-111,855.47-45,244.49

Finding the Fourth Proportional to 81,047.03, 111,855.47 and 45,244.49

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Solution

The fourth proportional to 81,047.03, 111,855.47 and 45,244.49 is: 62,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,047.03 : 111,855.47 = 45,244.49 : x
  2. Step 2: Convert to fraction form
    81,047.03/111,855.47 = 45,244.49/x
  3. Step 3: Cross multiply
    81,047.03x = 111,855.47 × 45,244.49
  4. Step 4: Simplify right side
    81,047.03x = 5,060,842,908.36
  5. Step 5: Solve for x
    x = 5,060,842,908.36/81,047.03
  6. Step 6: Final answer
    x = 62,443.29

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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.