Home / 84,913.96-127,363.12-28,747.66

Finding the Fourth Proportional to 84,913.96, 127,363.12 and 28,747.66

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Solution

The fourth proportional to 84,913.96, 127,363.12 and 28,747.66 is: 43,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,913.96 : 127,363.12 = 28,747.66 : x
  2. Step 2: Convert to fraction form
    84,913.96/127,363.12 = 28,747.66/x
  3. Step 3: Cross multiply
    84,913.96x = 127,363.12 × 28,747.66
  4. Step 4: Simplify right side
    84,913.96x = 3,661,391,670.30
  5. Step 5: Solve for x
    x = 3,661,391,670.30/84,913.96
  6. Step 6: Final answer
    x = 43,118.84

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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.