Home / 78,868.02-118,284.20-22,708.02

Finding the Fourth Proportional to 78,868.02, 118,284.20 and 22,708.02

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Solution

The fourth proportional to 78,868.02, 118,284.20 and 22,708.02 is: 34,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,868.02 : 118,284.20 = 22,708.02 : x
  2. Step 2: Convert to fraction form
    78,868.02/118,284.20 = 22,708.02/x
  3. Step 3: Cross multiply
    78,868.02x = 118,284.20 × 22,708.02
  4. Step 4: Simplify right side
    78,868.02x = 2,685,999,979.28
  5. Step 5: Solve for x
    x = 2,685,999,979.28/78,868.02
  6. Step 6: Final answer
    x = 34,056.90

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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.