Home / 112,331.07-168,496.29-45,755.55

Finding the Fourth Proportional to 112,331.07, 168,496.29 and 45,755.55

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Solution

The fourth proportional to 112,331.07, 168,496.29 and 45,755.55 is: 68,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331.07 : 168,496.29 = 45,755.55 : x
  2. Step 2: Convert to fraction form
    112,331.07/168,496.29 = 45,755.55/x
  3. Step 3: Cross multiply
    112,331.07x = 168,496.29 × 45,755.55
  4. Step 4: Simplify right side
    112,331.07x = 7,709,640,421.91
  5. Step 5: Solve for x
    x = 7,709,640,421.91/112,331.07
  6. Step 6: Final answer
    x = 68,633.20

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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.