Home / 112,385.62-168,411.56-45,744.22

Finding the Fourth Proportional to 112,385.62, 168,411.56 and 45,744.22

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Solution

The fourth proportional to 112,385.62, 168,411.56 and 45,744.22 is: 68,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,385.62 : 168,411.56 = 45,744.22 : x
  2. Step 2: Convert to fraction form
    112,385.62/168,411.56 = 45,744.22/x
  3. Step 3: Cross multiply
    112,385.62x = 168,411.56 × 45,744.22
  4. Step 4: Simplify right side
    112,385.62x = 7,703,854,609.13
  5. Step 5: Solve for x
    x = 7,703,854,609.13/112,385.62
  6. Step 6: Final answer
    x = 68,548.40

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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.