Home / 111,336.94-153,640.86-60,348.57

Finding the Fourth Proportional to 111,336.94, 153,640.86 and 60,348.57

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Solution

The fourth proportional to 111,336.94, 153,640.86 and 60,348.57 is: 83,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,336.94 : 153,640.86 = 60,348.57 : x
  2. Step 2: Convert to fraction form
    111,336.94/153,640.86 = 60,348.57/x
  3. Step 3: Cross multiply
    111,336.94x = 153,640.86 × 60,348.57
  4. Step 4: Simplify right side
    111,336.94x = 9,272,006,657.57
  5. Step 5: Solve for x
    x = 9,272,006,657.57/111,336.94
  6. Step 6: Final answer
    x = 83,278.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.