Home / 114,742.34-172,108.04-43,681.30

Finding the Fourth Proportional to 114,742.34, 172,108.04 and 43,681.30

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Solution

The fourth proportional to 114,742.34, 172,108.04 and 43,681.30 is: 65,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,742.34 : 172,108.04 = 43,681.30 : x
  2. Step 2: Convert to fraction form
    114,742.34/172,108.04 = 43,681.30/x
  3. Step 3: Cross multiply
    114,742.34x = 172,108.04 × 43,681.30
  4. Step 4: Simplify right side
    114,742.34x = 7,517,902,927.65
  5. Step 5: Solve for x
    x = 7,517,902,927.65/114,742.34
  6. Step 6: Final answer
    x = 65,519.87

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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.