Home / 84,201.88-116,148.18-61,513.15

Finding the Fourth Proportional to 84,201.88, 116,148.18 and 61,513.15

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Solution

The fourth proportional to 84,201.88, 116,148.18 and 61,513.15 is: 84,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,201.88 : 116,148.18 = 61,513.15 : x
  2. Step 2: Convert to fraction form
    84,201.88/116,148.18 = 61,513.15/x
  3. Step 3: Cross multiply
    84,201.88x = 116,148.18 × 61,513.15
  4. Step 4: Simplify right side
    84,201.88x = 7,144,640,418.57
  5. Step 5: Solve for x
    x = 7,144,640,418.57/84,201.88
  6. Step 6: Final answer
    x = 84,851.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.