Home / 84,170.90-116,155.71-46,445.12

Finding the Fourth Proportional to 84,170.90, 116,155.71 and 46,445.12

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Solution

The fourth proportional to 84,170.90, 116,155.71 and 46,445.12 is: 64,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,170.90 : 116,155.71 = 46,445.12 : x
  2. Step 2: Convert to fraction form
    84,170.90/116,155.71 = 46,445.12/x
  3. Step 3: Cross multiply
    84,170.90x = 116,155.71 × 46,445.12
  4. Step 4: Simplify right side
    84,170.90x = 5,394,865,889.64
  5. Step 5: Solve for x
    x = 5,394,865,889.64/84,170.90
  6. Step 6: Final answer
    x = 64,094.19

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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.