Home / 80,157.12-110,618.88-48,328.06

Finding the Fourth Proportional to 80,157.12, 110,618.88 and 48,328.06

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Solution

The fourth proportional to 80,157.12, 110,618.88 and 48,328.06 is: 66,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,157.12 : 110,618.88 = 48,328.06 : x
  2. Step 2: Convert to fraction form
    80,157.12/110,618.88 = 48,328.06/x
  3. Step 3: Cross multiply
    80,157.12x = 110,618.88 × 48,328.06
  4. Step 4: Simplify right side
    80,157.12x = 5,345,995,869.77
  5. Step 5: Solve for x
    x = 5,345,995,869.77/80,157.12
  6. Step 6: Final answer
    x = 66,693.96

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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.