Home / 64,765.20-89,374.23-36,470.28

Finding the Fourth Proportional to 64,765.20, 89,374.23 and 36,470.28

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Solution

The fourth proportional to 64,765.20, 89,374.23 and 36,470.28 is: 50,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.20 : 89,374.23 = 36,470.28 : x
  2. Step 2: Convert to fraction form
    64,765.20/89,374.23 = 36,470.28/x
  3. Step 3: Cross multiply
    64,765.20x = 89,374.23 × 36,470.28
  4. Step 4: Simplify right side
    64,765.20x = 3,259,503,192.88
  5. Step 5: Solve for x
    x = 3,259,503,192.88/64,765.20
  6. Step 6: Final answer
    x = 50,328.00

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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.