Home / 45,395.38-68,204.28-42,877.60

Finding the Fourth Proportional to 45,395.38, 68,204.28 and 42,877.60

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Solution

The fourth proportional to 45,395.38, 68,204.28 and 42,877.60 is: 64,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,395.38 : 68,204.28 = 42,877.60 : x
  2. Step 2: Convert to fraction form
    45,395.38/68,204.28 = 42,877.60/x
  3. Step 3: Cross multiply
    45,395.38x = 68,204.28 × 42,877.60
  4. Step 4: Simplify right side
    45,395.38x = 2,924,435,836.13
  5. Step 5: Solve for x
    x = 2,924,435,836.13/45,395.38
  6. Step 6: Final answer
    x = 64,421.44

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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.