Home / 80,157.12-110,607.21-46,176.72

Finding the Fourth Proportional to 80,157.12, 110,607.21 and 46,176.72

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Solution

The fourth proportional to 80,157.12, 110,607.21 and 46,176.72 is: 63,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,157.12 : 110,607.21 = 46,176.72 : x
  2. Step 2: Convert to fraction form
    80,157.12/110,607.21 = 46,176.72/x
  3. Step 3: Cross multiply
    80,157.12x = 110,607.21 × 46,176.72
  4. Step 4: Simplify right side
    80,157.12x = 5,107,478,166.15
  5. Step 5: Solve for x
    x = 5,107,478,166.15/80,157.12
  6. Step 6: Final answer
    x = 63,718.33

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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.