Home / 78,614.48-117,940.14-26,023.94

Finding the Fourth Proportional to 78,614.48, 117,940.14 and 26,023.94

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Solution

The fourth proportional to 78,614.48, 117,940.14 and 26,023.94 is: 39,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,614.48 : 117,940.14 = 26,023.94 : x
  2. Step 2: Convert to fraction form
    78,614.48/117,940.14 = 26,023.94/x
  3. Step 3: Cross multiply
    78,614.48x = 117,940.14 × 26,023.94
  4. Step 4: Simplify right side
    78,614.48x = 3,069,267,126.95
  5. Step 5: Solve for x
    x = 3,069,267,126.95/78,614.48
  6. Step 6: Final answer
    x = 39,042.01

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1.5x scale

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.