Home / 115,860.10-173,660.55-65,964.10

Finding the Fourth Proportional to 115,860.10, 173,660.55 and 65,964.10

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Solution

The fourth proportional to 115,860.10, 173,660.55 and 65,964.10 is: 98,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,860.10 : 173,660.55 = 65,964.10 : x
  2. Step 2: Convert to fraction form
    115,860.10/173,660.55 = 65,964.10/x
  3. Step 3: Cross multiply
    115,860.10x = 173,660.55 × 65,964.10
  4. Step 4: Simplify right side
    115,860.10x = 11,455,361,886.26
  5. Step 5: Solve for x
    x = 11,455,361,886.26/115,860.10
  6. Step 6: Final answer
    x = 98,872.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.