Home / 85,634.56-118,146.86-49,795.10

Finding the Fourth Proportional to 85,634.56, 118,146.86 and 49,795.10

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Solution

The fourth proportional to 85,634.56, 118,146.86 and 49,795.10 is: 68,700.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,634.56 : 118,146.86 = 49,795.10 : x
  2. Step 2: Convert to fraction form
    85,634.56/118,146.86 = 49,795.10/x
  3. Step 3: Cross multiply
    85,634.56x = 118,146.86 × 49,795.10
  4. Step 4: Simplify right side
    85,634.56x = 5,883,134,708.39
  5. Step 5: Solve for x
    x = 5,883,134,708.39/85,634.56
  6. Step 6: Final answer
    x = 68,700.47

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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.