Home / 78,392.33-117,588.50-34,018.10

Finding the Fourth Proportional to 78,392.33, 117,588.50 and 34,018.10

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Solution

The fourth proportional to 78,392.33, 117,588.50 and 34,018.10 is: 51,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,392.33 : 117,588.50 = 34,018.10 : x
  2. Step 2: Convert to fraction form
    78,392.33/117,588.50 = 34,018.10/x
  3. Step 3: Cross multiply
    78,392.33x = 117,588.50 × 34,018.10
  4. Step 4: Simplify right side
    78,392.33x = 4,000,137,445.22
  5. Step 5: Solve for x
    x = 4,000,137,445.22/78,392.33
  6. Step 6: Final answer
    x = 51,027.15

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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.