Home / 99,190.44-136,882.33-53,868.06

Finding the Fourth Proportional to 99,190.44, 136,882.33 and 53,868.06

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Solution

The fourth proportional to 99,190.44, 136,882.33 and 53,868.06 is: 74,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,190.44 : 136,882.33 = 53,868.06 : x
  2. Step 2: Convert to fraction form
    99,190.44/136,882.33 = 53,868.06/x
  3. Step 3: Cross multiply
    99,190.44x = 136,882.33 × 53,868.06
  4. Step 4: Simplify right side
    99,190.44x = 7,373,585,430.71
  5. Step 5: Solve for x
    x = 7,373,585,430.71/99,190.44
  6. Step 6: Final answer
    x = 74,337.66

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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.