Home / 114,756.90-172,064.87-39,844.86

Finding the Fourth Proportional to 114,756.90, 172,064.87 and 39,844.86

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Solution

The fourth proportional to 114,756.90, 172,064.87 and 39,844.86 is: 59,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,756.90 : 172,064.87 = 39,844.86 : x
  2. Step 2: Convert to fraction form
    114,756.90/172,064.87 = 39,844.86/x
  3. Step 3: Cross multiply
    114,756.90x = 172,064.87 × 39,844.86
  4. Step 4: Simplify right side
    114,756.90x = 6,855,900,656.07
  5. Step 5: Solve for x
    x = 6,855,900,656.07/114,756.90
  6. Step 6: Final answer
    x = 59,742.82

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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.