Home / 78,705.02-118,040.67-22,530.04

Finding the Fourth Proportional to 78,705.02, 118,040.67 and 22,530.04

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Solution

The fourth proportional to 78,705.02, 118,040.67 and 22,530.04 is: 33,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,705.02 : 118,040.67 = 22,530.04 : x
  2. Step 2: Convert to fraction form
    78,705.02/118,040.67 = 22,530.04/x
  3. Step 3: Cross multiply
    78,705.02x = 118,040.67 × 22,530.04
  4. Step 4: Simplify right side
    78,705.02x = 2,659,461,016.73
  5. Step 5: Solve for x
    x = 2,659,461,016.73/78,705.02
  6. Step 6: Final answer
    x = 33,790.23

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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.