Home / 117,024.55-161,453.76-66,031.00

Finding the Fourth Proportional to 117,024.55, 161,453.76 and 66,031.00

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Solution

The fourth proportional to 117,024.55, 161,453.76 and 66,031.00 is: 91,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,024.55 : 161,453.76 = 66,031.00 : x
  2. Step 2: Convert to fraction form
    117,024.55/161,453.76 = 66,031.00/x
  3. Step 3: Cross multiply
    117,024.55x = 161,453.76 × 66,031.00
  4. Step 4: Simplify right side
    117,024.55x = 10,660,952,575.31
  5. Step 5: Solve for x
    x = 10,660,952,575.31/117,024.55
  6. Step 6: Final answer
    x = 91,100.14

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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.