Home / 112,533.28-168,750.69-53,385.82

Finding the Fourth Proportional to 112,533.28, 168,750.69 and 53,385.82

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Solution

The fourth proportional to 112,533.28, 168,750.69 and 53,385.82 is: 80,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.28 : 168,750.69 = 53,385.82 : x
  2. Step 2: Convert to fraction form
    112,533.28/168,750.69 = 53,385.82/x
  3. Step 3: Cross multiply
    112,533.28x = 168,750.69 × 53,385.82
  4. Step 4: Simplify right side
    112,533.28x = 9,008,893,961.22
  5. Step 5: Solve for x
    x = 9,008,893,961.22/112,533.28
  6. Step 6: Final answer
    x = 80,055.38

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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.