Home / 57,521.09-79,378.31-33,325.34

Finding the Fourth Proportional to 57,521.09, 79,378.31 and 33,325.34

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Solution

The fourth proportional to 57,521.09, 79,378.31 and 33,325.34 is: 45,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.09 : 79,378.31 = 33,325.34 : x
  2. Step 2: Convert to fraction form
    57,521.09/79,378.31 = 33,325.34/x
  3. Step 3: Cross multiply
    57,521.09x = 79,378.31 × 33,325.34
  4. Step 4: Simplify right side
    57,521.09x = 2,645,308,605.86
  5. Step 5: Solve for x
    x = 2,645,308,605.86/57,521.09
  6. Step 6: Final answer
    x = 45,988.50

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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.