Home / 66,156.51-99,234.57-26,713.17

Finding the Fourth Proportional to 66,156.51, 99,234.57 and 26,713.17

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Solution

The fourth proportional to 66,156.51, 99,234.57 and 26,713.17 is: 40,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.51 : 99,234.57 = 26,713.17 : x
  2. Step 2: Convert to fraction form
    66,156.51/99,234.57 = 26,713.17/x
  3. Step 3: Cross multiply
    66,156.51x = 99,234.57 × 26,713.17
  4. Step 4: Simplify right side
    66,156.51x = 2,650,869,938.29
  5. Step 5: Solve for x
    x = 2,650,869,938.29/66,156.51
  6. Step 6: Final answer
    x = 40,069.68

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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.