Home / 85,191.93-117,565.34-49,403.19

Finding the Fourth Proportional to 85,191.93, 117,565.34 and 49,403.19

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Solution

The fourth proportional to 85,191.93, 117,565.34 and 49,403.19 is: 68,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.93 : 117,565.34 = 49,403.19 : x
  2. Step 2: Convert to fraction form
    85,191.93/117,565.34 = 49,403.19/x
  3. Step 3: Cross multiply
    85,191.93x = 117,565.34 × 49,403.19
  4. Step 4: Simplify right side
    85,191.93x = 5,808,102,829.43
  5. Step 5: Solve for x
    x = 5,808,102,829.43/85,191.93
  6. Step 6: Final answer
    x = 68,176.68

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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.