Home / 85,282.43-127,923.95-26,117.84

Finding the Fourth Proportional to 85,282.43, 127,923.95 and 26,117.84

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Solution

The fourth proportional to 85,282.43, 127,923.95 and 26,117.84 is: 39,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282.43 : 127,923.95 = 26,117.84 : x
  2. Step 2: Convert to fraction form
    85,282.43/127,923.95 = 26,117.84/x
  3. Step 3: Cross multiply
    85,282.43x = 127,923.95 × 26,117.84
  4. Step 4: Simplify right side
    85,282.43x = 3,341,097,258.27
  5. Step 5: Solve for x
    x = 3,341,097,258.27/85,282.43
  6. Step 6: Final answer
    x = 39,176.85

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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.