Home / 91,072.26-136,575.57-38,485.84

Finding the Fourth Proportional to 91,072.26, 136,575.57 and 38,485.84

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Solution

The fourth proportional to 91,072.26, 136,575.57 and 38,485.84 is: 57,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,072.26 : 136,575.57 = 38,485.84 : x
  2. Step 2: Convert to fraction form
    91,072.26/136,575.57 = 38,485.84/x
  3. Step 3: Cross multiply
    91,072.26x = 136,575.57 × 38,485.84
  4. Step 4: Simplify right side
    91,072.26x = 5,256,225,534.93
  5. Step 5: Solve for x
    x = 5,256,225,534.93/91,072.26
  6. Step 6: Final answer
    x = 57,714.89

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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.