Home / 85,580.11-118,091.47-47,333.58

Finding the Fourth Proportional to 85,580.11, 118,091.47 and 47,333.58

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Solution

The fourth proportional to 85,580.11, 118,091.47 and 47,333.58 is: 65,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,580.11 : 118,091.47 = 47,333.58 : x
  2. Step 2: Convert to fraction form
    85,580.11/118,091.47 = 47,333.58/x
  3. Step 3: Cross multiply
    85,580.11x = 118,091.47 × 47,333.58
  4. Step 4: Simplify right side
    85,580.11x = 5,589,691,805.89
  5. Step 5: Solve for x
    x = 5,589,691,805.89/85,580.11
  6. Step 6: Final answer
    x = 65,315.31

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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.