Home / 66,763.64-99,987.36-57,950.72

Finding the Fourth Proportional to 66,763.64, 99,987.36 and 57,950.72

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Solution

The fourth proportional to 66,763.64, 99,987.36 and 57,950.72 is: 86,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,763.64 : 99,987.36 = 57,950.72 : x
  2. Step 2: Convert to fraction form
    66,763.64/99,987.36 = 57,950.72/x
  3. Step 3: Cross multiply
    66,763.64x = 99,987.36 × 57,950.72
  4. Step 4: Simplify right side
    66,763.64x = 5,794,339,205.36
  5. Step 5: Solve for x
    x = 5,794,339,205.36/66,763.64
  6. Step 6: Final answer
    x = 86,788.84

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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.