Home / 84,720.84-127,109.58-32,145.48

Finding the Fourth Proportional to 84,720.84, 127,109.58 and 32,145.48

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Solution

The fourth proportional to 84,720.84, 127,109.58 and 32,145.48 is: 48,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,720.84 : 127,109.58 = 32,145.48 : x
  2. Step 2: Convert to fraction form
    84,720.84/127,109.58 = 32,145.48/x
  3. Step 3: Cross multiply
    84,720.84x = 127,109.58 × 32,145.48
  4. Step 4: Simplify right side
    84,720.84x = 4,085,998,461.70
  5. Step 5: Solve for x
    x = 4,085,998,461.70/84,720.84
  6. Step 6: Final answer
    x = 48,228.97

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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.