Home / 112,713.12-169,105.32-53,599.32

Finding the Fourth Proportional to 112,713.12, 169,105.32 and 53,599.32

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Solution

The fourth proportional to 112,713.12, 169,105.32 and 53,599.32 is: 80,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,713.12 : 169,105.32 = 53,599.32 : x
  2. Step 2: Convert to fraction form
    112,713.12/169,105.32 = 53,599.32/x
  3. Step 3: Cross multiply
    112,713.12x = 169,105.32 × 53,599.32
  4. Step 4: Simplify right side
    112,713.12x = 9,063,930,160.38
  5. Step 5: Solve for x
    x = 9,063,930,160.38/112,713.12
  6. Step 6: Final answer
    x = 80,415.93

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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.