Home / 98,007.11-135,260.72-54,993.68

Finding the Fourth Proportional to 98,007.11, 135,260.72 and 54,993.68

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Solution

The fourth proportional to 98,007.11, 135,260.72 and 54,993.68 is: 75,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,007.11 : 135,260.72 = 54,993.68 : x
  2. Step 2: Convert to fraction form
    98,007.11/135,260.72 = 54,993.68/x
  3. Step 3: Cross multiply
    98,007.11x = 135,260.72 × 54,993.68
  4. Step 4: Simplify right side
    98,007.11x = 7,438,484,752.25
  5. Step 5: Solve for x
    x = 7,438,484,752.25/98,007.11
  6. Step 6: Final answer
    x = 75,897.40

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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.