Home / 114,881.26-172,330.08-30,640.95

Finding the Fourth Proportional to 114,881.26, 172,330.08 and 30,640.95

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Solution

The fourth proportional to 114,881.26, 172,330.08 and 30,640.95 is: 45,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,881.26 : 172,330.08 = 30,640.95 : x
  2. Step 2: Convert to fraction form
    114,881.26/172,330.08 = 30,640.95/x
  3. Step 3: Cross multiply
    114,881.26x = 172,330.08 × 30,640.95
  4. Step 4: Simplify right side
    114,881.26x = 5,280,357,364.78
  5. Step 5: Solve for x
    x = 5,280,357,364.78/114,881.26
  6. Step 6: Final answer
    x = 45,963.61

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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.