Home / 69,108.05-102,948.84-67,017.24

Finding the Fourth Proportional to 69,108.05, 102,948.84 and 67,017.24

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Solution

The fourth proportional to 69,108.05, 102,948.84 and 67,017.24 is: 99,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.05 : 102,948.84 = 67,017.24 : x
  2. Step 2: Convert to fraction form
    69,108.05/102,948.84 = 67,017.24/x
  3. Step 3: Cross multiply
    69,108.05x = 102,948.84 × 67,017.24
  4. Step 4: Simplify right side
    69,108.05x = 6,899,347,118.00
  5. Step 5: Solve for x
    x = 6,899,347,118.00/69,108.05
  6. Step 6: Final answer
    x = 99,834.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.