Home / 115,918.31-173,813.51-35,934.12

Finding the Fourth Proportional to 115,918.31, 173,813.51 and 35,934.12

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Solution

The fourth proportional to 115,918.31, 173,813.51 and 35,934.12 is: 53,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918.31 : 173,813.51 = 35,934.12 : x
  2. Step 2: Convert to fraction form
    115,918.31/173,813.51 = 35,934.12/x
  3. Step 3: Cross multiply
    115,918.31x = 173,813.51 × 35,934.12
  4. Step 4: Simplify right side
    115,918.31x = 6,245,835,615.80
  5. Step 5: Solve for x
    x = 6,245,835,615.80/115,918.31
  6. Step 6: Final answer
    x = 53,881.35

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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.