Home / 114,865.11-172,297.53-35,985.48

Finding the Fourth Proportional to 114,865.11, 172,297.53 and 35,985.48

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Solution

The fourth proportional to 114,865.11, 172,297.53 and 35,985.48 is: 53,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,865.11 : 172,297.53 = 35,985.48 : x
  2. Step 2: Convert to fraction form
    114,865.11/172,297.53 = 35,985.48/x
  3. Step 3: Cross multiply
    114,865.11x = 172,297.53 × 35,985.48
  4. Step 4: Simplify right side
    114,865.11x = 6,200,209,319.86
  5. Step 5: Solve for x
    x = 6,200,209,319.86/114,865.11
  6. Step 6: Final answer
    x = 53,978.18

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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.