Home / 65,023.56-89,732.61-36,729.32

Finding the Fourth Proportional to 65,023.56, 89,732.61 and 36,729.32

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Solution

The fourth proportional to 65,023.56, 89,732.61 and 36,729.32 is: 50,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.56 : 89,732.61 = 36,729.32 : x
  2. Step 2: Convert to fraction form
    65,023.56/89,732.61 = 36,729.32/x
  3. Step 3: Cross multiply
    65,023.56x = 89,732.61 × 36,729.32
  4. Step 4: Simplify right side
    65,023.56x = 3,295,817,298.46
  5. Step 5: Solve for x
    x = 3,295,817,298.46/65,023.56
  6. Step 6: Final answer
    x = 50,686.51

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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.