Home / 104,642.28-156,988.02-34,521.60

Finding the Fourth Proportional to 104,642.28, 156,988.02 and 34,521.60

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Solution

The fourth proportional to 104,642.28, 156,988.02 and 34,521.60 is: 51,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,642.28 : 156,988.02 = 34,521.60 : x
  2. Step 2: Convert to fraction form
    104,642.28/156,988.02 = 34,521.60/x
  3. Step 3: Cross multiply
    104,642.28x = 156,988.02 × 34,521.60
  4. Step 4: Simplify right side
    104,642.28x = 5,419,477,631.23
  5. Step 5: Solve for x
    x = 5,419,477,631.23/104,642.28
  6. Step 6: Final answer
    x = 51,790.52

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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.