Home / 106,055.51-146,359.04-57,660.17

Finding the Fourth Proportional to 106,055.51, 146,359.04 and 57,660.17

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Solution

The fourth proportional to 106,055.51, 146,359.04 and 57,660.17 is: 79,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,055.51 : 146,359.04 = 57,660.17 : x
  2. Step 2: Convert to fraction form
    106,055.51/146,359.04 = 57,660.17/x
  3. Step 3: Cross multiply
    106,055.51x = 146,359.04 × 57,660.17
  4. Step 4: Simplify right side
    106,055.51x = 8,439,086,107.34
  5. Step 5: Solve for x
    x = 8,439,086,107.34/106,055.51
  6. Step 6: Final answer
    x = 79,572.35

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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.