Home / 67,305.42-100,950.31-17,381.59

Finding the Fourth Proportional to 67,305.42, 100,950.31 and 17,381.59

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Solution

The fourth proportional to 67,305.42, 100,950.31 and 17,381.59 is: 26,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,305.42 : 100,950.31 = 17,381.59 : x
  2. Step 2: Convert to fraction form
    67,305.42/100,950.31 = 17,381.59/x
  3. Step 3: Cross multiply
    67,305.42x = 100,950.31 × 17,381.59
  4. Step 4: Simplify right side
    67,305.42x = 1,754,676,602.96
  5. Step 5: Solve for x
    x = 1,754,676,602.96/67,305.42
  6. Step 6: Final answer
    x = 26,070.36

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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.