Home / 84,045.20-115,980.66-46,319.44

Finding the Fourth Proportional to 84,045.20, 115,980.66 and 46,319.44

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Solution

The fourth proportional to 84,045.20, 115,980.66 and 46,319.44 is: 63,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,045.20 : 115,980.66 = 46,319.44 : x
  2. Step 2: Convert to fraction form
    84,045.20/115,980.66 = 46,319.44/x
  3. Step 3: Cross multiply
    84,045.20x = 115,980.66 × 46,319.44
  4. Step 4: Simplify right side
    84,045.20x = 5,372,159,222.03
  5. Step 5: Solve for x
    x = 5,372,159,222.03/84,045.20
  6. Step 6: Final answer
    x = 63,919.88

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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.