Home / 66,090.22-91,204.58-35,875.52

Finding the Fourth Proportional to 66,090.22, 91,204.58 and 35,875.52

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Solution

The fourth proportional to 66,090.22, 91,204.58 and 35,875.52 is: 49,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.22 : 91,204.58 = 35,875.52 : x
  2. Step 2: Convert to fraction form
    66,090.22/91,204.58 = 35,875.52/x
  3. Step 3: Cross multiply
    66,090.22x = 91,204.58 × 35,875.52
  4. Step 4: Simplify right side
    66,090.22x = 3,272,011,733.88
  5. Step 5: Solve for x
    x = 3,272,011,733.88/66,090.22
  6. Step 6: Final answer
    x = 49,508.26

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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.