Home / 85,976.41-118,551.54-55,722.01

Finding the Fourth Proportional to 85,976.41, 118,551.54 and 55,722.01

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Solution

The fourth proportional to 85,976.41, 118,551.54 and 55,722.01 is: 76,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,976.41 : 118,551.54 = 55,722.01 : x
  2. Step 2: Convert to fraction form
    85,976.41/118,551.54 = 55,722.01/x
  3. Step 3: Cross multiply
    85,976.41x = 118,551.54 × 55,722.01
  4. Step 4: Simplify right side
    85,976.41x = 6,605,930,097.40
  5. Step 5: Solve for x
    x = 6,605,930,097.40/85,976.41
  6. Step 6: Final answer
    x = 76,834.22

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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.