Home / 52,746.60-79,158.02-20,730.44

Finding the Fourth Proportional to 52,746.60, 79,158.02 and 20,730.44

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Solution

The fourth proportional to 52,746.60, 79,158.02 and 20,730.44 is: 31,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.60 : 79,158.02 = 20,730.44 : x
  2. Step 2: Convert to fraction form
    52,746.60/79,158.02 = 20,730.44/x
  3. Step 3: Cross multiply
    52,746.60x = 79,158.02 × 20,730.44
  4. Step 4: Simplify right side
    52,746.60x = 1,640,980,084.69
  5. Step 5: Solve for x
    x = 1,640,980,084.69/52,746.60
  6. Step 6: Final answer
    x = 31,110.63

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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.