Home / 118,065.41-162,930.39-64,350.47

Finding the Fourth Proportional to 118,065.41, 162,930.39 and 64,350.47

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Solution

The fourth proportional to 118,065.41, 162,930.39 and 64,350.47 is: 88,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,065.41 : 162,930.39 = 64,350.47 : x
  2. Step 2: Convert to fraction form
    118,065.41/162,930.39 = 64,350.47/x
  3. Step 3: Cross multiply
    118,065.41x = 162,930.39 × 64,350.47
  4. Step 4: Simplify right side
    118,065.41x = 10,484,646,359.13
  5. Step 5: Solve for x
    x = 10,484,646,359.13/118,065.41
  6. Step 6: Final answer
    x = 88,803.71

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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.