Home / 118,043.03-162,894.65-64,326.90

Finding the Fourth Proportional to 118,043.03, 162,894.65 and 64,326.90

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Solution

The fourth proportional to 118,043.03, 162,894.65 and 64,326.90 is: 88,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,043.03 : 162,894.65 = 64,326.90 : x
  2. Step 2: Convert to fraction form
    118,043.03/162,894.65 = 64,326.90/x
  3. Step 3: Cross multiply
    118,043.03x = 162,894.65 × 64,326.90
  4. Step 4: Simplify right side
    118,043.03x = 10,478,508,150.31
  5. Step 5: Solve for x
    x = 10,478,508,150.31/118,043.03
  6. Step 6: Final answer
    x = 88,768.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.