Home / 113,961.88-157,282.08-68,663.44

Finding the Fourth Proportional to 113,961.88, 157,282.08 and 68,663.44

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Solution

The fourth proportional to 113,961.88, 157,282.08 and 68,663.44 is: 94,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,961.88 : 157,282.08 = 68,663.44 : x
  2. Step 2: Convert to fraction form
    113,961.88/157,282.08 = 68,663.44/x
  3. Step 3: Cross multiply
    113,961.88x = 157,282.08 × 68,663.44
  4. Step 4: Simplify right side
    113,961.88x = 10,799,528,663.16
  5. Step 5: Solve for x
    x = 10,799,528,663.16/113,961.88
  6. Step 6: Final answer
    x = 94,764.40

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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.