Home / 78,244.08-117,208.62-36,065.40

Finding the Fourth Proportional to 78,244.08, 117,208.62 and 36,065.40

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Solution

The fourth proportional to 78,244.08, 117,208.62 and 36,065.40 is: 54,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,244.08 : 117,208.62 = 36,065.40 : x
  2. Step 2: Convert to fraction form
    78,244.08/117,208.62 = 36,065.40/x
  3. Step 3: Cross multiply
    78,244.08x = 117,208.62 × 36,065.40
  4. Step 4: Simplify right side
    78,244.08x = 4,227,175,763.75
  5. Step 5: Solve for x
    x = 4,227,175,763.75/78,244.08
  6. Step 6: Final answer
    x = 54,025.50

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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.