Home / 109,817.79-151,556.28-62,071.50

Finding the Fourth Proportional to 109,817.79, 151,556.28 and 62,071.50

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Solution

The fourth proportional to 109,817.79, 151,556.28 and 62,071.50 is: 85,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,817.79 : 151,556.28 = 62,071.50 : x
  2. Step 2: Convert to fraction form
    109,817.79/151,556.28 = 62,071.50/x
  3. Step 3: Cross multiply
    109,817.79x = 151,556.28 × 62,071.50
  4. Step 4: Simplify right side
    109,817.79x = 9,407,325,634.02
  5. Step 5: Solve for x
    x = 9,407,325,634.02/109,817.79
  6. Step 6: Final answer
    x = 85,663.04

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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.