Home / 78,985.50-118,496.97-23,582.94

Finding the Fourth Proportional to 78,985.50, 118,496.97 and 23,582.94

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Solution

The fourth proportional to 78,985.50, 118,496.97 and 23,582.94 is: 35,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,985.50 : 118,496.97 = 23,582.94 : x
  2. Step 2: Convert to fraction form
    78,985.50/118,496.97 = 23,582.94/x
  3. Step 3: Cross multiply
    78,985.50x = 118,496.97 × 23,582.94
  4. Step 4: Simplify right side
    78,985.50x = 2,794,506,933.69
  5. Step 5: Solve for x
    x = 2,794,506,933.69/78,985.50
  6. Step 6: Final answer
    x = 35,380.00

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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.