Home / 98,199.72-135,516.50-55,759.16

Finding the Fourth Proportional to 98,199.72, 135,516.50 and 55,759.16

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Solution

The fourth proportional to 98,199.72, 135,516.50 and 55,759.16 is: 76,948.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,199.72 : 135,516.50 = 55,759.16 : x
  2. Step 2: Convert to fraction form
    98,199.72/135,516.50 = 55,759.16/x
  3. Step 3: Cross multiply
    98,199.72x = 135,516.50 × 55,759.16
  4. Step 4: Simplify right side
    98,199.72x = 7,556,286,206.14
  5. Step 5: Solve for x
    x = 7,556,286,206.14/98,199.72
  6. Step 6: Final answer
    x = 76,948.14

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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.