Home / 85,768.39-118,361.08-47,528.59

Finding the Fourth Proportional to 85,768.39, 118,361.08 and 47,528.59

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Solution

The fourth proportional to 85,768.39, 118,361.08 and 47,528.59 is: 65,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,768.39 : 118,361.08 = 47,528.59 : x
  2. Step 2: Convert to fraction form
    85,768.39/118,361.08 = 47,528.59/x
  3. Step 3: Cross multiply
    85,768.39x = 118,361.08 × 47,528.59
  4. Step 4: Simplify right side
    85,768.39x = 5,625,534,729.38
  5. Step 5: Solve for x
    x = 5,625,534,729.38/85,768.39
  6. Step 6: Final answer
    x = 65,589.83

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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.