Home / 83,735.55-125,709.91-54,276.66

Finding the Fourth Proportional to 83,735.55, 125,709.91 and 54,276.66

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Solution

The fourth proportional to 83,735.55, 125,709.91 and 54,276.66 is: 81,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,735.55 : 125,709.91 = 54,276.66 : x
  2. Step 2: Convert to fraction form
    83,735.55/125,709.91 = 54,276.66/x
  3. Step 3: Cross multiply
    83,735.55x = 125,709.91 × 54,276.66
  4. Step 4: Simplify right side
    83,735.55x = 6,823,113,908.01
  5. Step 5: Solve for x
    x = 6,823,113,908.01/83,735.55
  6. Step 6: Final answer
    x = 81,484.08

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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.