Home / 94,121.28-129,899.07-53,829.45

Finding the Fourth Proportional to 94,121.28, 129,899.07 and 53,829.45

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Solution

The fourth proportional to 94,121.28, 129,899.07 and 53,829.45 is: 74,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,121.28 : 129,899.07 = 53,829.45 : x
  2. Step 2: Convert to fraction form
    94,121.28/129,899.07 = 53,829.45/x
  3. Step 3: Cross multiply
    94,121.28x = 129,899.07 × 53,829.45
  4. Step 4: Simplify right side
    94,121.28x = 6,992,395,493.61
  5. Step 5: Solve for x
    x = 6,992,395,493.61/94,121.28
  6. Step 6: Final answer
    x = 74,291.33

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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.