Home / 98,819.19-136,369.98-53,496.45

Finding the Fourth Proportional to 98,819.19, 136,369.98 and 53,496.45

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Solution

The fourth proportional to 98,819.19, 136,369.98 and 53,496.45 is: 73,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,819.19 : 136,369.98 = 53,496.45 : x
  2. Step 2: Convert to fraction form
    98,819.19/136,369.98 = 53,496.45/x
  3. Step 3: Cross multiply
    98,819.19x = 136,369.98 × 53,496.45
  4. Step 4: Simplify right side
    98,819.19x = 7,295,309,816.57
  5. Step 5: Solve for x
    x = 7,295,309,816.57/98,819.19
  6. Step 6: Final answer
    x = 73,824.83

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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.