Home / 103,923.10-155,999.85-64,524.70

Finding the Fourth Proportional to 103,923.10, 155,999.85 and 64,524.70

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Solution

The fourth proportional to 103,923.10, 155,999.85 and 64,524.70 is: 96,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,923.10 : 155,999.85 = 64,524.70 : x
  2. Step 2: Convert to fraction form
    103,923.10/155,999.85 = 64,524.70/x
  3. Step 3: Cross multiply
    103,923.10x = 155,999.85 × 64,524.70
  4. Step 4: Simplify right side
    103,923.10x = 10,065,843,521.30
  5. Step 5: Solve for x
    x = 10,065,843,521.30/103,923.10
  6. Step 6: Final answer
    x = 96,858.58

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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.