Home / 94,022.18-129,759.43-53,728.07

Finding the Fourth Proportional to 94,022.18, 129,759.43 and 53,728.07

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Solution

The fourth proportional to 94,022.18, 129,759.43 and 53,728.07 is: 74,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,022.18 : 129,759.43 = 53,728.07 : x
  2. Step 2: Convert to fraction form
    94,022.18/129,759.43 = 53,728.07/x
  3. Step 3: Cross multiply
    94,022.18x = 129,759.43 × 53,728.07
  4. Step 4: Simplify right side
    94,022.18x = 6,971,723,738.20
  5. Step 5: Solve for x
    x = 6,971,723,738.20/94,022.18
  6. Step 6: Final answer
    x = 74,149.78

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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.