Home / 78,094.20-117,084.84-46,429.14

Finding the Fourth Proportional to 78,094.20, 117,084.84 and 46,429.14

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Solution

The fourth proportional to 78,094.20, 117,084.84 and 46,429.14 is: 69,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,094.20 : 117,084.84 = 46,429.14 : x
  2. Step 2: Convert to fraction form
    78,094.20/117,084.84 = 46,429.14/x
  3. Step 3: Cross multiply
    78,094.20x = 117,084.84 × 46,429.14
  4. Step 4: Simplify right side
    78,094.20x = 5,436,148,428.24
  5. Step 5: Solve for x
    x = 5,436,148,428.24/78,094.20
  6. Step 6: Final answer
    x = 69,610.14

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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.