Home / 78,486.00-117,729.02-23,082.00

Finding the Fourth Proportional to 78,486.00, 117,729.02 and 23,082.00

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Solution

The fourth proportional to 78,486.00, 117,729.02 and 23,082.00 is: 34,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,486.00 : 117,729.02 = 23,082.00 : x
  2. Step 2: Convert to fraction form
    78,486.00/117,729.02 = 23,082.00/x
  3. Step 3: Cross multiply
    78,486.00x = 117,729.02 × 23,082.00
  4. Step 4: Simplify right side
    78,486.00x = 2,717,421,418.55
  5. Step 5: Solve for x
    x = 2,717,421,418.55/78,486.00
  6. Step 6: Final answer
    x = 34,623.01

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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.