Home / 99,039.81-148,558.08-39,873.96

Finding the Fourth Proportional to 99,039.81, 148,558.08 and 39,873.96

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Solution

The fourth proportional to 99,039.81, 148,558.08 and 39,873.96 is: 59,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,039.81 : 148,558.08 = 39,873.96 : x
  2. Step 2: Convert to fraction form
    99,039.81/148,558.08 = 39,873.96/x
  3. Step 3: Cross multiply
    99,039.81x = 148,558.08 × 39,873.96
  4. Step 4: Simplify right side
    99,039.81x = 5,923,598,939.60
  5. Step 5: Solve for x
    x = 5,923,598,939.60/99,039.81
  6. Step 6: Final answer
    x = 59,810.28

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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.