Home / 84,386.88-116,453.60-47,590.17

Finding the Fourth Proportional to 84,386.88, 116,453.60 and 47,590.17

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Solution

The fourth proportional to 84,386.88, 116,453.60 and 47,590.17 is: 65,674.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,386.88 : 116,453.60 = 47,590.17 : x
  2. Step 2: Convert to fraction form
    84,386.88/116,453.60 = 47,590.17/x
  3. Step 3: Cross multiply
    84,386.88x = 116,453.60 × 47,590.17
  4. Step 4: Simplify right side
    84,386.88x = 5,542,046,383.16
  5. Step 5: Solve for x
    x = 5,542,046,383.16/84,386.88
  6. Step 6: Final answer
    x = 65,674.27

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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.