Home / 75,403.41-113,105.02-19,243.52

Finding the Fourth Proportional to 75,403.41, 113,105.02 and 19,243.52

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Solution

The fourth proportional to 75,403.41, 113,105.02 and 19,243.52 is: 28,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,403.41 : 113,105.02 = 19,243.52 : x
  2. Step 2: Convert to fraction form
    75,403.41/113,105.02 = 19,243.52/x
  3. Step 3: Cross multiply
    75,403.41x = 113,105.02 × 19,243.52
  4. Step 4: Simplify right side
    75,403.41x = 2,176,538,276.83
  5. Step 5: Solve for x
    x = 2,176,538,276.83/75,403.41
  6. Step 6: Final answer
    x = 28,865.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.