Home / 98,008.21-135,282.17-55,594.93

Finding the Fourth Proportional to 98,008.21, 135,282.17 and 55,594.93

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Solution

The fourth proportional to 98,008.21, 135,282.17 and 55,594.93 is: 76,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,008.21 : 135,282.17 = 55,594.93 : x
  2. Step 2: Convert to fraction form
    98,008.21/135,282.17 = 55,594.93/x
  3. Step 3: Cross multiply
    98,008.21x = 135,282.17 × 55,594.93
  4. Step 4: Simplify right side
    98,008.21x = 7,521,002,771.40
  5. Step 5: Solve for x
    x = 7,521,002,771.40/98,008.21
  6. Step 6: Final answer
    x = 76,738.50

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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.