Home / 91,055.56-136,625.58-38,477.32

Finding the Fourth Proportional to 91,055.56, 136,625.58 and 38,477.32

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Solution

The fourth proportional to 91,055.56, 136,625.58 and 38,477.32 is: 57,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,055.56 : 136,625.58 = 38,477.32 : x
  2. Step 2: Convert to fraction form
    91,055.56/136,625.58 = 38,477.32/x
  3. Step 3: Cross multiply
    91,055.56x = 136,625.58 × 38,477.32
  4. Step 4: Simplify right side
    91,055.56x = 5,256,986,161.85
  5. Step 5: Solve for x
    x = 5,256,986,161.85/91,055.56
  6. Step 6: Final answer
    x = 57,733.83

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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.