Home / 107,548.16-161,389.67-40,994.10

Finding the Fourth Proportional to 107,548.16, 161,389.67 and 40,994.10

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Solution

The fourth proportional to 107,548.16, 161,389.67 and 40,994.10 is: 61,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,548.16 : 161,389.67 = 40,994.10 : x
  2. Step 2: Convert to fraction form
    107,548.16/161,389.67 = 40,994.10/x
  3. Step 3: Cross multiply
    107,548.16x = 161,389.67 × 40,994.10
  4. Step 4: Simplify right side
    107,548.16x = 6,616,024,065.98
  5. Step 5: Solve for x
    x = 6,616,024,065.98/107,548.16
  6. Step 6: Final answer
    x = 61,516.85

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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.