Home / 109,837.48-151,441.38-92,811.40

Finding the Fourth Proportional to 109,837.48, 151,441.38 and 92,811.40

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Solution

The fourth proportional to 109,837.48, 151,441.38 and 92,811.40 is: 127,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,837.48 : 151,441.38 = 92,811.40 : x
  2. Step 2: Convert to fraction form
    109,837.48/151,441.38 = 92,811.40/x
  3. Step 3: Cross multiply
    109,837.48x = 151,441.38 × 92,811.40
  4. Step 4: Simplify right side
    109,837.48x = 14,055,486,495.73
  5. Step 5: Solve for x
    x = 14,055,486,495.73/109,837.48
  6. Step 6: Final answer
    x = 127,966.21

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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.