Home / 74,527.34-111,758.21-39,458.80

Finding the Fourth Proportional to 74,527.34, 111,758.21 and 39,458.80

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Solution

The fourth proportional to 74,527.34, 111,758.21 and 39,458.80 is: 59,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527.34 : 111,758.21 = 39,458.80 : x
  2. Step 2: Convert to fraction form
    74,527.34/111,758.21 = 39,458.80/x
  3. Step 3: Cross multiply
    74,527.34x = 111,758.21 × 39,458.80
  4. Step 4: Simplify right side
    74,527.34x = 4,409,844,100.66
  5. Step 5: Solve for x
    x = 4,409,844,100.66/74,527.34
  6. Step 6: Final answer
    x = 59,170.82

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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.