Home / 117,840.39-162,618.36-64,124.48

Finding the Fourth Proportional to 117,840.39, 162,618.36 and 64,124.48

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Solution

The fourth proportional to 117,840.39, 162,618.36 and 64,124.48 is: 88,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,840.39 : 162,618.36 = 64,124.48 : x
  2. Step 2: Convert to fraction form
    117,840.39/162,618.36 = 64,124.48/x
  3. Step 3: Cross multiply
    117,840.39x = 162,618.36 × 64,124.48
  4. Step 4: Simplify right side
    117,840.39x = 10,427,816,960.36
  5. Step 5: Solve for x
    x = 10,427,816,960.36/117,840.39
  6. Step 6: Final answer
    x = 88,491.03

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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.