Home / 84,595.20-116,738.28-48,786.72

Finding the Fourth Proportional to 84,595.20, 116,738.28 and 48,786.72

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Solution

The fourth proportional to 84,595.20, 116,738.28 and 48,786.72 is: 67,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,595.20 : 116,738.28 = 48,786.72 : x
  2. Step 2: Convert to fraction form
    84,595.20/116,738.28 = 48,786.72/x
  3. Step 3: Cross multiply
    84,595.20x = 116,738.28 × 48,786.72
  4. Step 4: Simplify right side
    84,595.20x = 5,695,277,779.64
  5. Step 5: Solve for x
    x = 5,695,277,779.64/84,595.20
  6. Step 6: Final answer
    x = 67,323.89

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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.