Home / 84,637.94-127,033.05-45,228.74

Finding the Fourth Proportional to 84,637.94, 127,033.05 and 45,228.74

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Solution

The fourth proportional to 84,637.94, 127,033.05 and 45,228.74 is: 67,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,637.94 : 127,033.05 = 45,228.74 : x
  2. Step 2: Convert to fraction form
    84,637.94/127,033.05 = 45,228.74/x
  3. Step 3: Cross multiply
    84,637.94x = 127,033.05 × 45,228.74
  4. Step 4: Simplify right side
    84,637.94x = 5,745,544,789.86
  5. Step 5: Solve for x
    x = 5,745,544,789.86/84,637.94
  6. Step 6: Final answer
    x = 67,883.80

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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.