Home / 64,226.12-88,634.84-39,702.36

Finding the Fourth Proportional to 64,226.12, 88,634.84 and 39,702.36

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Solution

The fourth proportional to 64,226.12, 88,634.84 and 39,702.36 is: 54,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,226.12 : 88,634.84 = 39,702.36 : x
  2. Step 2: Convert to fraction form
    64,226.12/88,634.84 = 39,702.36/x
  3. Step 3: Cross multiply
    64,226.12x = 88,634.84 × 39,702.36
  4. Step 4: Simplify right side
    64,226.12x = 3,519,012,326.22
  5. Step 5: Solve for x
    x = 3,519,012,326.22/64,226.12
  6. Step 6: Final answer
    x = 54,790.98

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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.