Home / 106,716.09-147,292.76-61,420.24

Finding the Fourth Proportional to 106,716.09, 147,292.76 and 61,420.24

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Solution

The fourth proportional to 106,716.09, 147,292.76 and 61,420.24 is: 84,774.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,716.09 : 147,292.76 = 61,420.24 : x
  2. Step 2: Convert to fraction form
    106,716.09/147,292.76 = 61,420.24/x
  3. Step 3: Cross multiply
    106,716.09x = 147,292.76 × 61,420.24
  4. Step 4: Simplify right side
    106,716.09x = 9,046,757,007.13
  5. Step 5: Solve for x
    x = 9,046,757,007.13/106,716.09
  6. Step 6: Final answer
    x = 84,774.06

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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.