Home / 84,845.34-127,267.20-51,574.59

Finding the Fourth Proportional to 84,845.34, 127,267.20 and 51,574.59

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Solution

The fourth proportional to 84,845.34, 127,267.20 and 51,574.59 is: 77,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845.34 : 127,267.20 = 51,574.59 : x
  2. Step 2: Convert to fraction form
    84,845.34/127,267.20 = 51,574.59/x
  3. Step 3: Cross multiply
    84,845.34x = 127,267.20 × 51,574.59
  4. Step 4: Simplify right side
    84,845.34x = 6,563,753,660.45
  5. Step 5: Solve for x
    x = 6,563,753,660.45/84,845.34
  6. Step 6: Final answer
    x = 77,361.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.