Home / 80,712.49-111,384.73-44,905.83

Finding the Fourth Proportional to 80,712.49, 111,384.73 and 44,905.83

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Solution

The fourth proportional to 80,712.49, 111,384.73 and 44,905.83 is: 61,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712.49 : 111,384.73 = 44,905.83 : x
  2. Step 2: Convert to fraction form
    80,712.49/111,384.73 = 44,905.83/x
  3. Step 3: Cross multiply
    80,712.49x = 111,384.73 × 44,905.83
  4. Step 4: Simplify right side
    80,712.49x = 5,001,823,749.98
  5. Step 5: Solve for x
    x = 5,001,823,749.98/80,712.49
  6. Step 6: Final answer
    x = 61,970.88

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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.