Home / 91,059.63-136,556.64-38,473.22

Finding the Fourth Proportional to 91,059.63, 136,556.64 and 38,473.22

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Solution

The fourth proportional to 91,059.63, 136,556.64 and 38,473.22 is: 57,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.63 : 136,556.64 = 38,473.22 : x
  2. Step 2: Convert to fraction form
    91,059.63/136,556.64 = 38,473.22/x
  3. Step 3: Cross multiply
    91,059.63x = 136,556.64 × 38,473.22
  4. Step 4: Simplify right side
    91,059.63x = 5,253,772,970.40
  5. Step 5: Solve for x
    x = 5,253,772,970.40/91,059.63
  6. Step 6: Final answer
    x = 57,695.96

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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.