Home / 68,397.28-102,385.70-58,308.22

Finding the Fourth Proportional to 68,397.28, 102,385.70 and 58,308.22

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Solution

The fourth proportional to 68,397.28, 102,385.70 and 58,308.22 is: 87,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,397.28 : 102,385.70 = 58,308.22 : x
  2. Step 2: Convert to fraction form
    68,397.28/102,385.70 = 58,308.22/x
  3. Step 3: Cross multiply
    68,397.28x = 102,385.70 × 58,308.22
  4. Step 4: Simplify right side
    68,397.28x = 5,969,927,116.98
  5. Step 5: Solve for x
    x = 5,969,927,116.98/68,397.28
  6. Step 6: Final answer
    x = 87,283.11

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1.5x scale

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.