Home / 45,985.76-68,961.36-16,395.60

Finding the Fourth Proportional to 45,985.76, 68,961.36 and 16,395.60

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Solution

The fourth proportional to 45,985.76, 68,961.36 and 16,395.60 is: 24,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985.76 : 68,961.36 = 16,395.60 : x
  2. Step 2: Convert to fraction form
    45,985.76/68,961.36 = 16,395.60/x
  3. Step 3: Cross multiply
    45,985.76x = 68,961.36 × 16,395.60
  4. Step 4: Simplify right side
    45,985.76x = 1,130,662,874.02
  5. Step 5: Solve for x
    x = 1,130,662,874.02/45,985.76
  6. Step 6: Final answer
    x = 24,587.24

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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.