Home / 86,504.04-119,308.41-54,661.32

Finding the Fourth Proportional to 86,504.04, 119,308.41 and 54,661.32

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Solution

The fourth proportional to 86,504.04, 119,308.41 and 54,661.32 is: 75,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.04 : 119,308.41 = 54,661.32 : x
  2. Step 2: Convert to fraction form
    86,504.04/119,308.41 = 54,661.32/x
  3. Step 3: Cross multiply
    86,504.04x = 119,308.41 × 54,661.32
  4. Step 4: Simplify right side
    86,504.04x = 6,521,555,177.70
  5. Step 5: Solve for x
    x = 6,521,555,177.70/86,504.04
  6. Step 6: Final answer
    x = 75,390.18

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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.