Home / 104,428.70-156,643.05-34,315.10

Finding the Fourth Proportional to 104,428.70, 156,643.05 and 34,315.10

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Solution

The fourth proportional to 104,428.70, 156,643.05 and 34,315.10 is: 51,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428.70 : 156,643.05 = 34,315.10 : x
  2. Step 2: Convert to fraction form
    104,428.70/156,643.05 = 34,315.10/x
  3. Step 3: Cross multiply
    104,428.70x = 156,643.05 × 34,315.10
  4. Step 4: Simplify right side
    104,428.70x = 5,375,221,925.06
  5. Step 5: Solve for x
    x = 5,375,221,925.06/104,428.70
  6. Step 6: Final answer
    x = 51,472.65

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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.