Home / 112,447.17-168,587.66-53,213.49

Finding the Fourth Proportional to 112,447.17, 168,587.66 and 53,213.49

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Solution

The fourth proportional to 112,447.17, 168,587.66 and 53,213.49 is: 79,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,447.17 : 168,587.66 = 53,213.49 : x
  2. Step 2: Convert to fraction form
    112,447.17/168,587.66 = 53,213.49/x
  3. Step 3: Cross multiply
    112,447.17x = 168,587.66 × 53,213.49
  4. Step 4: Simplify right side
    112,447.17x = 8,971,137,892.57
  5. Step 5: Solve for x
    x = 8,971,137,892.57/112,447.17
  6. Step 6: Final answer
    x = 79,780.91

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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.