Home / 78,391.41-117,594.90-25,070.00

Finding the Fourth Proportional to 78,391.41, 117,594.90 and 25,070.00

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Solution

The fourth proportional to 78,391.41, 117,594.90 and 25,070.00 is: 37,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,391.41 : 117,594.90 = 25,070.00 : x
  2. Step 2: Convert to fraction form
    78,391.41/117,594.90 = 25,070.00/x
  3. Step 3: Cross multiply
    78,391.41x = 117,594.90 × 25,070.00
  4. Step 4: Simplify right side
    78,391.41x = 2,948,103,555.03
  5. Step 5: Solve for x
    x = 2,948,103,555.03/78,391.41
  6. Step 6: Final answer
    x = 37,607.48

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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.