Home / 80,609.10-111,254.70-46,612.20

Finding the Fourth Proportional to 80,609.10, 111,254.70 and 46,612.20

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Solution

The fourth proportional to 80,609.10, 111,254.70 and 46,612.20 is: 64,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,609.10 : 111,254.70 = 46,612.20 : x
  2. Step 2: Convert to fraction form
    80,609.10/111,254.70 = 46,612.20/x
  3. Step 3: Cross multiply
    80,609.10x = 111,254.70 × 46,612.20
  4. Step 4: Simplify right side
    80,609.10x = 5,185,826,327.34
  5. Step 5: Solve for x
    x = 5,185,826,327.34/80,609.10
  6. Step 6: Final answer
    x = 64,333.01

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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.