Home / 78,032.03-116,954.49-40,042.22

Finding the Fourth Proportional to 78,032.03, 116,954.49 and 40,042.22

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Solution

The fourth proportional to 78,032.03, 116,954.49 and 40,042.22 is: 60,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032.03 : 116,954.49 = 40,042.22 : x
  2. Step 2: Convert to fraction form
    78,032.03/116,954.49 = 40,042.22/x
  3. Step 3: Cross multiply
    78,032.03x = 116,954.49 × 40,042.22
  4. Step 4: Simplify right side
    78,032.03x = 4,683,117,418.57
  5. Step 5: Solve for x
    x = 4,683,117,418.57/78,032.03
  6. Step 6: Final answer
    x = 60,015.32

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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.