Home / 57,089.32-78,809.70-33,207.28

Finding the Fourth Proportional to 57,089.32, 78,809.70 and 33,207.28

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Solution

The fourth proportional to 57,089.32, 78,809.70 and 33,207.28 is: 45,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.32 : 78,809.70 = 33,207.28 : x
  2. Step 2: Convert to fraction form
    57,089.32/78,809.70 = 33,207.28/x
  3. Step 3: Cross multiply
    57,089.32x = 78,809.70 × 33,207.28
  4. Step 4: Simplify right side
    57,089.32x = 2,617,055,774.62
  5. Step 5: Solve for x
    x = 2,617,055,774.62/57,089.32
  6. Step 6: Final answer
    x = 45,841.42

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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.