Home / 84,617.78-116,777.45-48,809.30

Finding the Fourth Proportional to 84,617.78, 116,777.45 and 48,809.30

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Solution

The fourth proportional to 84,617.78, 116,777.45 and 48,809.30 is: 67,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,617.78 : 116,777.45 = 48,809.30 : x
  2. Step 2: Convert to fraction form
    84,617.78/116,777.45 = 48,809.30/x
  3. Step 3: Cross multiply
    84,617.78x = 116,777.45 × 48,809.30
  4. Step 4: Simplify right side
    84,617.78x = 5,699,825,346.24
  5. Step 5: Solve for x
    x = 5,699,825,346.24/84,617.78
  6. Step 6: Final answer
    x = 67,359.67

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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.