Home / 114,981.66-172,403.37-43,909.02

Finding the Fourth Proportional to 114,981.66, 172,403.37 and 43,909.02

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Solution

The fourth proportional to 114,981.66, 172,403.37 and 43,909.02 is: 65,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,981.66 : 172,403.37 = 43,909.02 : x
  2. Step 2: Convert to fraction form
    114,981.66/172,403.37 = 43,909.02/x
  3. Step 3: Cross multiply
    114,981.66x = 172,403.37 × 43,909.02
  4. Step 4: Simplify right side
    114,981.66x = 7,570,063,021.40
  5. Step 5: Solve for x
    x = 7,570,063,021.40/114,981.66
  6. Step 6: Final answer
    x = 65,837.13

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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.