Home / 68,848.20-103,316-29,405.64

Finding the Fourth Proportional to 68,848.20, 103,316 and 29,405.64

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Solution

The fourth proportional to 68,848.20, 103,316 and 29,405.64 is: 44,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,848.20 : 103,316 = 29,405.64 : x
  2. Step 2: Convert to fraction form
    68,848.20/103,316 = 29,405.64/x
  3. Step 3: Cross multiply
    68,848.20x = 103,316 × 29,405.64
  4. Step 4: Simplify right side
    68,848.20x = 3,038,073,102.24
  5. Step 5: Solve for x
    x = 3,038,073,102.24/68,848.20
  6. Step 6: Final answer
    x = 44,127.12

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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.