Home / 66,059.21-99,092.15-18,677.71

Finding the Fourth Proportional to 66,059.21, 99,092.15 and 18,677.71

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Solution

The fourth proportional to 66,059.21, 99,092.15 and 18,677.71 is: 28,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,059.21 : 99,092.15 = 18,677.71 : x
  2. Step 2: Convert to fraction form
    66,059.21/99,092.15 = 18,677.71/x
  3. Step 3: Cross multiply
    66,059.21x = 99,092.15 × 18,677.71
  4. Step 4: Simplify right side
    66,059.21x = 1,850,814,036.63
  5. Step 5: Solve for x
    x = 1,850,814,036.63/66,059.21
  6. Step 6: Final answer
    x = 28,017.50

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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.