Home / 78,966.11-118,431.72-22,794.01

Finding the Fourth Proportional to 78,966.11, 118,431.72 and 22,794.01

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Solution

The fourth proportional to 78,966.11, 118,431.72 and 22,794.01 is: 34,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,966.11 : 118,431.72 = 22,794.01 : x
  2. Step 2: Convert to fraction form
    78,966.11/118,431.72 = 22,794.01/x
  3. Step 3: Cross multiply
    78,966.11x = 118,431.72 × 22,794.01
  4. Step 4: Simplify right side
    78,966.11x = 2,699,533,441.80
  5. Step 5: Solve for x
    x = 2,699,533,441.80/78,966.11
  6. Step 6: Final answer
    x = 34,185.98

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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.