Home / 85,570.86-118,091.92-47,330.24

Finding the Fourth Proportional to 85,570.86, 118,091.92 and 47,330.24

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Solution

The fourth proportional to 85,570.86, 118,091.92 and 47,330.24 is: 65,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,570.86 : 118,091.92 = 47,330.24 : x
  2. Step 2: Convert to fraction form
    85,570.86/118,091.92 = 47,330.24/x
  3. Step 3: Cross multiply
    85,570.86x = 118,091.92 × 47,330.24
  4. Step 4: Simplify right side
    85,570.86x = 5,589,318,915.66
  5. Step 5: Solve for x
    x = 5,589,318,915.66/85,570.86
  6. Step 6: Final answer
    x = 65,318.02

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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.