Home / 86,670.20-130,005.15-32,644.97

Finding the Fourth Proportional to 86,670.20, 130,005.15 and 32,644.97

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Solution

The fourth proportional to 86,670.20, 130,005.15 and 32,644.97 is: 48,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,670.20 : 130,005.15 = 32,644.97 : x
  2. Step 2: Convert to fraction form
    86,670.20/130,005.15 = 32,644.97/x
  3. Step 3: Cross multiply
    86,670.20x = 130,005.15 × 32,644.97
  4. Step 4: Simplify right side
    86,670.20x = 4,244,014,851.58
  5. Step 5: Solve for x
    x = 4,244,014,851.58/86,670.20
  6. Step 6: Final answer
    x = 48,967.40

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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.