Home / 118,051.54-162,906.37-64,335.40

Finding the Fourth Proportional to 118,051.54, 162,906.37 and 64,335.40

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Solution

The fourth proportional to 118,051.54, 162,906.37 and 64,335.40 is: 88,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,051.54 : 162,906.37 = 64,335.40 : x
  2. Step 2: Convert to fraction form
    118,051.54/162,906.37 = 64,335.40/x
  3. Step 3: Cross multiply
    118,051.54x = 162,906.37 × 64,335.40
  4. Step 4: Simplify right side
    118,051.54x = 10,480,645,908.39
  5. Step 5: Solve for x
    x = 10,480,645,908.39/118,051.54
  6. Step 6: Final answer
    x = 88,780.26

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1.5x scale

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.