Home / 98,152.16-135,450.60-55,711.40

Finding the Fourth Proportional to 98,152.16, 135,450.60 and 55,711.40

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Solution

The fourth proportional to 98,152.16, 135,450.60 and 55,711.40 is: 76,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,152.16 : 135,450.60 = 55,711.40 : x
  2. Step 2: Convert to fraction form
    98,152.16/135,450.60 = 55,711.40/x
  3. Step 3: Cross multiply
    98,152.16x = 135,450.60 × 55,711.40
  4. Step 4: Simplify right side
    98,152.16x = 7,546,142,556.84
  5. Step 5: Solve for x
    x = 7,546,142,556.84/98,152.16
  6. Step 6: Final answer
    x = 76,882.08

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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.