Home / 74,813.09-103,242.01-47,955.58

Finding the Fourth Proportional to 74,813.09, 103,242.01 and 47,955.58

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Solution

The fourth proportional to 74,813.09, 103,242.01 and 47,955.58 is: 66,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,813.09 : 103,242.01 = 47,955.58 : x
  2. Step 2: Convert to fraction form
    74,813.09/103,242.01 = 47,955.58/x
  3. Step 3: Cross multiply
    74,813.09x = 103,242.01 × 47,955.58
  4. Step 4: Simplify right side
    74,813.09x = 4,951,030,469.92
  5. Step 5: Solve for x
    x = 4,951,030,469.92/74,813.09
  6. Step 6: Final answer
    x = 66,178.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.