Home / 74,432.10-111,660.45-34,491

Finding the Fourth Proportional to 74,432.10, 111,660.45 and 34,491

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Solution

The fourth proportional to 74,432.10, 111,660.45 and 34,491 is: 51,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,432.10 : 111,660.45 = 34,491 : x
  2. Step 2: Convert to fraction form
    74,432.10/111,660.45 = 34,491/x
  3. Step 3: Cross multiply
    74,432.10x = 111,660.45 × 34,491
  4. Step 4: Simplify right side
    74,432.10x = 3,851,280,580.95
  5. Step 5: Solve for x
    x = 3,851,280,580.95/74,432.10
  6. Step 6: Final answer
    x = 51,742.20

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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.