Home / 70,828.18-106,253.54-23,445

Finding the Fourth Proportional to 70,828.18, 106,253.54 and 23,445

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Solution

The fourth proportional to 70,828.18, 106,253.54 and 23,445 is: 35,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,828.18 : 106,253.54 = 23,445 : x
  2. Step 2: Convert to fraction form
    70,828.18/106,253.54 = 23,445/x
  3. Step 3: Cross multiply
    70,828.18x = 106,253.54 × 23,445
  4. Step 4: Simplify right side
    70,828.18x = 2,491,114,245.30
  5. Step 5: Solve for x
    x = 2,491,114,245.30/70,828.18
  6. Step 6: Final answer
    x = 35,171.23

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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.