Home / 64,765.06-89,360.23-36,470.74

Finding the Fourth Proportional to 64,765.06, 89,360.23 and 36,470.74

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Solution

The fourth proportional to 64,765.06, 89,360.23 and 36,470.74 is: 50,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.06 : 89,360.23 = 36,470.74 : x
  2. Step 2: Convert to fraction form
    64,765.06/89,360.23 = 36,470.74/x
  3. Step 3: Cross multiply
    64,765.06x = 89,360.23 × 36,470.74
  4. Step 4: Simplify right side
    64,765.06x = 3,259,033,714.67
  5. Step 5: Solve for x
    x = 3,259,033,714.67/64,765.06
  6. Step 6: Final answer
    x = 50,320.86

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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.