Home / 76,984.32-115,482.96-27,060.16

Finding the Fourth Proportional to 76,984.32, 115,482.96 and 27,060.16

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Solution

The fourth proportional to 76,984.32, 115,482.96 and 27,060.16 is: 40,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,984.32 : 115,482.96 = 27,060.16 : x
  2. Step 2: Convert to fraction form
    76,984.32/115,482.96 = 27,060.16/x
  3. Step 3: Cross multiply
    76,984.32x = 115,482.96 × 27,060.16
  4. Step 4: Simplify right side
    76,984.32x = 3,124,987,374.87
  5. Step 5: Solve for x
    x = 3,124,987,374.87/76,984.32
  6. Step 6: Final answer
    x = 40,592.52

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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.