Home / 78,393.91-117,598.65-25,072.50

Finding the Fourth Proportional to 78,393.91, 117,598.65 and 25,072.50

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Solution

The fourth proportional to 78,393.91, 117,598.65 and 25,072.50 is: 37,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,393.91 : 117,598.65 = 25,072.50 : x
  2. Step 2: Convert to fraction form
    78,393.91/117,598.65 = 25,072.50/x
  3. Step 3: Cross multiply
    78,393.91x = 117,598.65 × 25,072.50
  4. Step 4: Simplify right side
    78,393.91x = 2,948,492,152.13
  5. Step 5: Solve for x
    x = 2,948,492,152.13/78,393.91
  6. Step 6: Final answer
    x = 37,611.24

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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.