Home / 66,182.52-99,281.04-28,716.84

Finding the Fourth Proportional to 66,182.52, 99,281.04 and 28,716.84

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Solution

The fourth proportional to 66,182.52, 99,281.04 and 28,716.84 is: 43,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,182.52 : 99,281.04 = 28,716.84 : x
  2. Step 2: Convert to fraction form
    66,182.52/99,281.04 = 28,716.84/x
  3. Step 3: Cross multiply
    66,182.52x = 99,281.04 × 28,716.84
  4. Step 4: Simplify right side
    66,182.52x = 2,851,037,740.71
  5. Step 5: Solve for x
    x = 2,851,037,740.71/66,182.52
  6. Step 6: Final answer
    x = 43,078.41

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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.