Home / 86,060.61-118,729.59-49,755.36

Finding the Fourth Proportional to 86,060.61, 118,729.59 and 49,755.36

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Solution

The fourth proportional to 86,060.61, 118,729.59 and 49,755.36 is: 68,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060.61 : 118,729.59 = 49,755.36 : x
  2. Step 2: Convert to fraction form
    86,060.61/118,729.59 = 49,755.36/x
  3. Step 3: Cross multiply
    86,060.61x = 118,729.59 × 49,755.36
  4. Step 4: Simplify right side
    86,060.61x = 5,907,433,493.10
  5. Step 5: Solve for x
    x = 5,907,433,493.10/86,060.61
  6. Step 6: Final answer
    x = 68,642.71

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1.5x scale

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.