Home / 74,051.88-102,191.28-40,060.29

Finding the Fourth Proportional to 74,051.88, 102,191.28 and 40,060.29

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Solution

The fourth proportional to 74,051.88, 102,191.28 and 40,060.29 is: 55,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.88 : 102,191.28 = 40,060.29 : x
  2. Step 2: Convert to fraction form
    74,051.88/102,191.28 = 40,060.29/x
  3. Step 3: Cross multiply
    74,051.88x = 102,191.28 × 40,060.29
  4. Step 4: Simplify right side
    74,051.88x = 4,093,812,312.27
  5. Step 5: Solve for x
    x = 4,093,812,312.27/74,051.88
  6. Step 6: Final answer
    x = 55,283.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.