Home / 74,313.12-111,404.07-56,860.86

Finding the Fourth Proportional to 74,313.12, 111,404.07 and 56,860.86

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Solution

The fourth proportional to 74,313.12, 111,404.07 and 56,860.86 is: 85,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313.12 : 111,404.07 = 56,860.86 : x
  2. Step 2: Convert to fraction form
    74,313.12/111,404.07 = 56,860.86/x
  3. Step 3: Cross multiply
    74,313.12x = 111,404.07 × 56,860.86
  4. Step 4: Simplify right side
    74,313.12x = 6,334,530,386.38
  5. Step 5: Solve for x
    x = 6,334,530,386.38/74,313.12
  6. Step 6: Final answer
    x = 85,241.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.