Home / 45,546.28-68,237.40-42,801.60

Finding the Fourth Proportional to 45,546.28, 68,237.40 and 42,801.60

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Solution

The fourth proportional to 45,546.28, 68,237.40 and 42,801.60 is: 64,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546.28 : 68,237.40 = 42,801.60 : x
  2. Step 2: Convert to fraction form
    45,546.28/68,237.40 = 42,801.60/x
  3. Step 3: Cross multiply
    45,546.28x = 68,237.40 × 42,801.60
  4. Step 4: Simplify right side
    45,546.28x = 2,920,669,899.84
  5. Step 5: Solve for x
    x = 2,920,669,899.84/45,546.28
  6. Step 6: Final answer
    x = 64,125.32

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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.