Home / 109,586.93-151,300.31-89,492.04

Finding the Fourth Proportional to 109,586.93, 151,300.31 and 89,492.04

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Solution

The fourth proportional to 109,586.93, 151,300.31 and 89,492.04 is: 123,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,586.93 : 151,300.31 = 89,492.04 : x
  2. Step 2: Convert to fraction form
    109,586.93/151,300.31 = 89,492.04/x
  3. Step 3: Cross multiply
    109,586.93x = 151,300.31 × 89,492.04
  4. Step 4: Simplify right side
    109,586.93x = 13,540,172,947.07
  5. Step 5: Solve for x
    x = 13,540,172,947.07/109,586.93
  6. Step 6: Final answer
    x = 123,556.46

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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.