Home / 85,223.86-127,823.49-26,043.64

Finding the Fourth Proportional to 85,223.86, 127,823.49 and 26,043.64

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Solution

The fourth proportional to 85,223.86, 127,823.49 and 26,043.64 is: 39,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.86 : 127,823.49 = 26,043.64 : x
  2. Step 2: Convert to fraction form
    85,223.86/127,823.49 = 26,043.64/x
  3. Step 3: Cross multiply
    85,223.86x = 127,823.49 × 26,043.64
  4. Step 4: Simplify right side
    85,223.86x = 3,328,988,725.74
  5. Step 5: Solve for x
    x = 3,328,988,725.74/85,223.86
  6. Step 6: Final answer
    x = 39,061.70

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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.