Home / 113,017.75-155,969.36-62,716.75

Finding the Fourth Proportional to 113,017.75, 155,969.36 and 62,716.75

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Solution

The fourth proportional to 113,017.75, 155,969.36 and 62,716.75 is: 86,551.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,017.75 : 155,969.36 = 62,716.75 : x
  2. Step 2: Convert to fraction form
    113,017.75/155,969.36 = 62,716.75/x
  3. Step 3: Cross multiply
    113,017.75x = 155,969.36 × 62,716.75
  4. Step 4: Simplify right side
    113,017.75x = 9,781,891,358.78
  5. Step 5: Solve for x
    x = 9,781,891,358.78/113,017.75
  6. Step 6: Final answer
    x = 86,551.81

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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.