Home / 117,728.73-162,465.84-64,013.70

Finding the Fourth Proportional to 117,728.73, 162,465.84 and 64,013.70

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Solution

The fourth proportional to 117,728.73, 162,465.84 and 64,013.70 is: 88,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,728.73 : 162,465.84 = 64,013.70 : x
  2. Step 2: Convert to fraction form
    117,728.73/162,465.84 = 64,013.70/x
  3. Step 3: Cross multiply
    117,728.73x = 162,465.84 × 64,013.70
  4. Step 4: Simplify right side
    117,728.73x = 10,400,039,542.01
  5. Step 5: Solve for x
    x = 10,400,039,542.01/117,728.73
  6. Step 6: Final answer
    x = 88,339.01

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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.