Home / 112,205.64-168,337.62-53,040

Finding the Fourth Proportional to 112,205.64, 168,337.62 and 53,040

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Solution

The fourth proportional to 112,205.64, 168,337.62 and 53,040 is: 79,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,205.64 : 168,337.62 = 53,040 : x
  2. Step 2: Convert to fraction form
    112,205.64/168,337.62 = 53,040/x
  3. Step 3: Cross multiply
    112,205.64x = 168,337.62 × 53,040
  4. Step 4: Simplify right side
    112,205.64x = 8,928,627,364.80
  5. Step 5: Solve for x
    x = 8,928,627,364.80/112,205.64
  6. Step 6: Final answer
    x = 79,573.78

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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.