Home / 92,146.28-138,182.22-35,978.36

Finding the Fourth Proportional to 92,146.28, 138,182.22 and 35,978.36

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Solution

The fourth proportional to 92,146.28, 138,182.22 and 35,978.36 is: 53,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,146.28 : 138,182.22 = 35,978.36 : x
  2. Step 2: Convert to fraction form
    92,146.28/138,182.22 = 35,978.36/x
  3. Step 3: Cross multiply
    92,146.28x = 138,182.22 × 35,978.36
  4. Step 4: Simplify right side
    92,146.28x = 4,971,569,656.76
  5. Step 5: Solve for x
    x = 4,971,569,656.76/92,146.28
  6. Step 6: Final answer
    x = 53,953.02

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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.