Home / 98,673.24-136,168.79-53,350.91

Finding the Fourth Proportional to 98,673.24, 136,168.79 and 53,350.91

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Solution

The fourth proportional to 98,673.24, 136,168.79 and 53,350.91 is: 73,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,673.24 : 136,168.79 = 53,350.91 : x
  2. Step 2: Convert to fraction form
    98,673.24/136,168.79 = 53,350.91/x
  3. Step 3: Cross multiply
    98,673.24x = 136,168.79 × 53,350.91
  4. Step 4: Simplify right side
    98,673.24x = 7,264,727,912.50
  5. Step 5: Solve for x
    x = 7,264,727,912.50/98,673.24
  6. Step 6: Final answer
    x = 73,624.09

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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.